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List of 24 characters
List of 24 characters
from Wikipedia

Kiefer Sutherland is the only actor to be a regular cast member in every season of 24.

The following is a list of characters in the American serial drama television series 24, 24: Live Another Day, and 24: Legacy by season and event. The list first names the actor, followed by the character. Some characters have their own pages; see the box below.

The show consists of an ensemble cast. A total of 60 actors have been credited as a part of the starring cast, over the course of eight seasons, one television film, one miniseries, and one spin-off series, international remakes notwithstanding.

Overview

[edit]

Main cast

[edit]
  = Main cast (credited)
  = Recurring cast (4+)
  = Guest cast (1-3)
Actor/actress Character Appearances
S1 S2 S3 S4 S5 S6 R S7 S8 LAD L Total
Kiefer Sutherland Jack Bauer Main P 205
Leslie Hope Teri Bauer M P Does not appear 25
Sarah Clarke Nina Myers M R Does not appear 36
Elisha Cuthbert Kim Bauer Main Does not appear R Does not appear R Does not appear 79
Dennis Haysbert David Palmer Main R Does not appear 80
Carlos Bernard Tony Almeida R Main Does not appear M Does not appear Guest 116
Penny Johnson Jerald Sherry Palmer R M R Does not appear 45
Xander Berkeley George Mason R M Does not appear 27
Eric Balfour Milo Pressman R Does not appear M Does not appear 28
Sarah Wynter Kate Warner Does not appear M G Does not appear 25
Reiko Aylesworth Michelle Dessler Does not appear Main R G Does not appear 62
James Badge Dale Chase Edmunds Does not appear M Does not appear 24
Mary Lynn Rajskub Chloe O'Brian Does not appear Main Does not appear Main Does not appear 137
D. B. Woodside Wayne Palmer Does not appear R Does not appear R M Does not appear 48
Kim Raver Audrey Raines Does not appear Main R Does not appear M Does not appear 64
Alberta Watson Erin Driscoll Does not appear M Does not appear 12
Lana Parrilla Sarah Gavin Does not appear M Does not appear 12
Roger Cross Curtis Manning Does not appear Main R Does not appear 44
William Devane James Heller Does not appear M R Does not appear M Does not appear 32
James Morrison Bill Buchanan Does not appear R Main Does not appear Main Does not appear 64
Gregory Itzin Charles Logan Does not appear R M R Does not appear R Does not appear 45
Louis Lombardi Edgar Stiles Does not appear R M Does not appear 37
Jean Smart Martha Logan Does not appear M G Does not appear 24
Carlo Rota Morris O'Brian Does not appear R M Does not appear R Does not appear 29
Jayne Atkinson Karen Hayes Does not appear R M Does not appear 30
Peter MacNicol Tom Lennox Does not appear M G Does not appear 25
Marisol Nichols Nadia Yassir Does not appear M Does not appear 24
Regina King Sandra Palmer Does not appear M Does not appear 9
Bob Gunton Ethan Kanin Does not appear R Main R Does not appear 32
Cherry Jones Allison Taylor Does not appear Main Does not appear 44
Colm Feore Henry Taylor Does not appear Main Does not appear 13
Annie Wersching Renee Walker Does not appear Main Does not appear 37
Jeffrey Nordling Larry Moss Does not appear M Does not appear 19
Rhys Coiro Sean Hillinger Does not appear M Does not appear 10
Janeane Garofalo Janis Gold Does not appear M Does not appear 21
Anil Kapoor Omar Hassan Does not appear M Does not appear 15
Mykelti Williamson Brian Hastings Does not appear M Does not appear 17
Katee Sackhoff Dana Walsh Does not appear M Does not appear 20
Chris Diamantopoulos Rob Weiss Does not appear M Does not appear 12
John Boyd Arlo Glass Does not appear M Does not appear 24
Freddie Prinze Jr. Cole Ortiz Does not appear M Does not appear 24
Yvonne Strahovski Kate Morgan Does not appear M Does not appear 12
Tate Donovan Mark Boudreau Does not appear M Does not appear 12
Gbenga Akinnagbe Erik Ritter Does not appear M Does not appear 11
Giles Matthey Jordan Reed Does not appear M Does not appear 9
Michael Wincott Adrian Cross Does not appear M Does not appear 10
Benjamin Bratt Steve Navarro Does not appear M Does not appear 10
Corey Hawkins Eric Carter Does not appear M 12
Miranda Otto Rebecca Ingram Does not appear M 12
Anna Diop Nicole Carter Does not appear M 11
Teddy Sears Keith Mullins Does not appear M 12
Ashley Thomas Isaac Carter Does not appear M 10
Dan Bucatinsky Andy Shalowitz Does not appear M 12
Coral Peña Mariana Stiles Does not appear M 12
Charlie Hofheimer Ben Grimes Does not appear M 6
Sheila Vand Nilaa Mizrani Does not appear M 8
Raphael Acloque Jadalla bin-Khalid Does not appear M 10
Gerald McRaney Henry Donovan Does not appear M 10
Jimmy Smits John Donovan Does not appear M 12

Recurring and guest cast

[edit]

The following recurring guest stars appeared in at least five episodes or were distinguished in the guest star credits.

Key:   = Recurring
Key:   = Special Guest
Actor/actress Character Appearances
S1 S2 S3 S4 S5 S6 R S7 S8 LAD Total
Tanya Wright Patty Brooks 9 - - - - - - - - - 9
Karina Arroyave Jamey Farrell 10 - - - - - - - - - 10
Jacqui Maxwell Janet York 6 - - - - - - - - - 6
Matthew Carey Dan Mounts 6 - - - - - - - - - 6
Daniel Bess Rick Allen 18 - - - - - - - - - 18
Mia Kirshner Mandy 3 1 - 3 - - - - - - 7
Richard Burgi Kevin Carroll 11 - - - - - - - - - 11
Michael Massee Ira Gaines 12 - - - - - - - - - 12
Vicellous Shannon Keith Palmer 12 1 - - - - - - - - 13
Megalyn Echikunwoke Nicole Palmer 6 - - - - - - - - - 6
Glenn Morshower Aaron Pierce 9 3 9 2 15 1 - 10 - - 49
Zach Grenier Carl Webb 9 - - - - - - - - - 9
Jude Ciccolella Mike Novick 11 18 - 8 21 - - - - - 58
Silas Weir Mitchell Eli Stram 6 - - - - - - - - - 6
Željko Ivanek Andre Drazen 15 - - - - - - - - - 15
Tamara Tunie Alberta Green 6 - - - - - - - - - 6
Misha Collins Alexis Drazen 7 - - - - - - - - - 7
Navi Rawat Melanie 6 - - - - - - - - - 6
Lou Diamond Phillips Mark DeSalvo 2 - - - - - - - - - 2
Dennis Hopper Victor Drazen 5 - - - - - - - - - 5
Skye McCole Bartusiak Megan Matheson - 8 - - - - - - - - 8
Billy Burke Gary Matheson - 7 - - - - - - - - 7
Tamlyn Tomita Jenny Dodge - 5 - - - - - - - - 5
Michelle Forbes Lynne Kresge - 18 - - - - - - - - 18
Laura Harris Marie Warner - 14 - - - - - - - - 14
Phillip Rhys Reza Naiyeer - 9 - - - - - - - - 9
John Terry Bob Warner - 12 - - - - - - - - 12
Marc Casabani Omar - 6 - - - - - - - - 6
John Eddins Richards - 5 - - - - - - - - 5
Innis Casey Miguel - 7 - - - - - - - - 7
Harris Yulin Roger Stanton - 9 - - - - - - - - 9
Francesco Quinn Syed Ali - 5 - - - - - - - - 5
Daniel Dae Kim Tom Baker - 8 3 - - - - - - - 11
Randle Mell Brad Hammond - 2 3 - - - - - - - 5
Lourdes Benedicto Carrie Turner - 10 - - - - - - - - 10
Donnie Keshawarz Yusuf Auda - 6 - - - - - - - - 6
Alan Dale James Prescott - 7 1 - - - - - - - 8
Geoff Pierson John Keeler - - 6 13 - - - - - - 19
Joaquim de Almeida Ramon Salazar - - 12 - - - - - - - 12
Christina Chang Sunny Macer - - 6 - - - - 5 - - 11
Zachary Quinto Adam Kaufman - - 23 - - - - - - - 23
Vincent Laresca Hector Salazar - - 12 - - - - - - - 12
Vanessa Ferlito Claudia Hernandez - - 11 - - - - - - - 11
Jesse Borrego Gael Ortega - - 14 - - - - - - - 14
Riley Smith Kyle Singer - - 6 - - - - - - - 6
Wendy Crewson Anne Packard - - 8 - - - - - - - 8
Agnes Bruckner Linda - - 5 - - - - - - - 5
Andrea Thompson Nicole Duncan - - 5 - - - - - - - 5
Jamie McShane Gerry Whitehorn - - 6 - - - - - - - 6
Greg Ellis Michael Amador - - 9 - - - - - - - 9
Gina Torres Julia Milliken - - 7 - - - - - - - 7
Lothaire Bluteau Marcus Alvers - - 5 - - - - - - - 5
Butch Klein Eric Richards - - 5 - - - - - - - 5
Paul Blackthorne Stephen Saunders - - 10 - - - - - - - 10
Tony Todd Norris / Benjamin Juma - - 1 - - - 1 3 - - 5
Alexandra Lydon Jane Saunders - - 5 - - - - - - - 5
Nestor Serrano Navi Araz - - - 10 - - - - - - 10
Shohreh Aghdashloo Dina Araz - - - 12 - - - - - - 12
Jonathan Ahdout Behrooz Araz - - - 12 - - - - - - 12
Logan Marshall-Green Richard Heller - - - 6 - - - - - - 6
Anil Kumar Kalil Hasan - - - 5 - - - - - - 5
James Frain Paul Raines - - - 10 - - - - - - 10
Tony Plana Omar - - - 5 - - - - - - 5
Leighton Meester Debbie Pendleton - - - 5 - - - - - - 5
Aisha Tyler Marianne Taylor - - - 8 - - - - - - 8
Angela Goethals Maya Driscoll - - - 5 - - - - - - 5
Robertson Dean Henry Powell - - - 6 - - - - - - 6
Arnold Vosloo Habib Marwan - - - 17 - - - - - - 17
Thomas Vincent Kelly Marc Besson - - - 5 3 - - - - - 8
Navid Negahban Abdullah / Jamot - - - 1 - - - - 8 - 9
John Allen Nelson Walt Cummings - - - 4 7 - - - - - 11
Tzi Ma Cheng Zhi - - - 2 1 9 - - - 3 15
Jonah Lotan Spenser Wolff - - - - 6 - - - - - 6
Connie Britton Diane Huxley - - - - 6 - - - - - 6
Brady Corbet Derek Huxley - - - - 6 - - - - - 6
Sandrine Holt Evelyn Martin - - - - 10 - - - - - 10
Geraint Wyn Davies James Nathanson - - - - 6 - - - - - 6
Nick Jameson Yuri Suvarov - - - - 6 6 - - 3 - 15
Kathleen Gati Anya Suvarov - - - - 5 1 - - - - 6
Mark Sheppard Ivan Erwich - - - - 6 - - - - - 6
Robert Maffia Andrei - - - - 6 - - - - - 6
Sean Astin Lynn McGill - - - - 10 - - - - - 10
Julian Sands Vladimir Bierko - - - - 11 - - - - - 11
Peter Weller Christopher Henderson - - - - 11 - - - - - 11
Ray Wise Hal Gardner - - - - 6 - - - - - 6
Kate Mara Shari Rothenberg - - - - 5 - - - - - 5
Paul McCrane Graem Bauer - - - - 5 3 - - - - 8
Stephen Spinella Miles Papazian - - - - 10 - - - - - 10
Adoni Maropis Abu Fayed - - - - - 15 - - - - 15
Alexander Siddig Hamri Al-Assad - - - - - 7 - - - - 7
Harry Lennix Walid Al-Rezani - - - - - 6 - - - - 6
Ryan Cutrona John Smith - - - - - 5 - 6 1 - 11
Rena Sofer Marilyn Bauer - - - - - 12 - - - - 12
Evan Ellingson Josh Bauer - - - - - 10 - - - - 10
Chad Lowe Reed Pollock - - - - - 8 - - - - 8
James Cromwell Phillip Bauer - - - - - 8 - - - - 8
Powers Boothe Noah Daniels - - - - - 14 1 - - - 15
Lex Cassar Ryan - - - - - 11 - - - - 11
Rade Serbedzija Dmitri Gredenko - - - - - 8 - - - - 8
Dylan Kenin Victor - - - - - 5 - - - - 5
Kari Matchett Lisa Miller - - - - - 10 - - - - 10
Ricky Schroder Mike Doyle - - - - - 12 - - - - 12
Hakeem Kae-Kazim Ike Dubaku - - - - - - 1 9 - - 10
Robert Carlyle Carl Benton - - - - - - 1 - - - 1
Jon Voight Jonas Hodges - - - - - - 1 10 - - 11
Mark Aiken Nichols - - - - - - 1 5 - - 6
Isaach de Bankolé Ule Matobo - - - - - - 1 6 - - 7
Carly Pope Samantha Roth - - - - - - 1 6 - - 7
Mark Kiely Edward Vossler - - - - - - 1 4 - - 5
Kurtwood Smith Blaine Mayer - - - - - - - 7 - - 7
Warren Kole Brian Gedge - - - - - - - 7 - - 7
Frank John Hughes Tim Woods - - - - - - - 17 8 - 25
Lesley Fera Angela Nelson - - - - - - - 4 2 - 6
Peter Wingfield David Emerson - - - - - - - 5 - - 5
Ever Carradine Erika - - - - - - - 5 - - 5
Sprague Grayden Olivia Taylor - - - - - - - 14 - - 14
Rory Cochrane Greg Seaton - - - - - - - 7 - - 7
Amy Price-Francis Cara Bowden - - - - - - - 6 - - 6
Will Patton Alan Wilson - - - - - - - 5 - - 5
Akbar Kurtha Farhad Hassan - - - - - - - - 8 - 8
Jennifer Westfeldt Meredith Reed - - - - - - - - 6 - 6
Necar Zadegan Dalia Hassan - - - - - - - - 20 - 20
Nazneen Contractor Kayla Hassan - - - - - - - - 21 - 21
Clayne Crawford Kevin Wade - - - - - - - - 9 - 9
TJ Ramini Tarin Faroush - - - - - - - - 11 - 11
Jürgen Prochnow Sergei Bazhaev - - - - - - - - 7 - 7
David Anders Josef Bazhaev - - - - - - - - 6 - 6
Michael Filipowich Nick Coughlin - - - - - - - - 6 - 6
Callum Keith Rennie Vladimir Laitanan - - - - - - - - 3 - 3
Hrach Titizian Nabeel - - - - - - - - 6 - 6
Mido Hamada Samir Mehran - - - - - - - - 10 - 10
Julian Morris Owen - - - - - - - - 6 - 6
Rami Malek Marcos Al-Zacar - - - - - - - - 3 - 3
Mare Winningham Elaine Al-Zacar - - - - - - - - 2 - 2
Sarah Hollis Susan - - - - - - - - 10 - 10
Graham McTavish Mikhail Novakovich - - - - - - - - 7 - 7
Reed Diamond Jason Pillar - - - - - - - - 8 - 8
Michael Madsen Jim Ricker - - - - - - - - 4 - 4
Julie Claire Eden Linley - - - - - - - - 5 - 5
Eriq La Salle UN Secretary General - - - - - - - - 2 - 2
Christina Chong Mariana - - - - - - - - - 5 5
Colin Salmon Coburn - - - - - - - - - 7 7
Ross McCall Ron Clark - - - - - - - - - 9 9
Branko Tomović Belcheck - - - - - - - - - 9 9
James Allenby-Kirk Stosh - - - - - - - - - 7 7
Mandeep Dhillon Chell - - - - - - - - - 7 7
Charles Furness Pete - - - - - - - - - 6 6
Emily Berrington Simone Al-Harazi - - - - - - - - - 7 7
Michelle Fairley Margot Al-Harazi - - - - - - - - - 8 8
Stephen Fry Alastair Davies - - - - - - - - - 8 8
Liam Garrigan Ian Al-Harazi - - - - - - - - - 7 7
Miranda Raison Caroline Fowlds - - - - - - - - - 6 6
Stanley Townsend Anatol Stolnavich - - - - - - - - - 5 5
Adam Sinclair Gavin Leonard - - - - - - - - - 6 6

The Bauers

[edit]

CTU / Division

[edit]

Palmer's family and staff

[edit]

Other associates of Palmer

[edit]

First assassination plot

[edit]

Drazen's family and associates

[edit]

Rick's friends outside the plot

[edit]

Miscellaneous

[edit]

CTU / Division

[edit]

Palmer's family and administration

[edit]

Kim's story

[edit]

Foreign diplomats

[edit]
  • Alexander Zale – Ambassador Shareef
  • Christopher Maher – Deputy Prime Minister Barghouti
  • Nicholas Guilak – Farhad Salim

The Warners and the Naiyeers

[edit]

Traitors involved in terrorist plot

[edit]

Wald's crew

[edit]

Ali's family and Second Wave

[edit]
  • Francesco Quinn – Syed Ali
  • Anthony Azizi – Mamud Rasheed Faheen
  • Shaheen Vaaz – Syed Ali's wife
  • Ike Bram – Fareed Ali
  • Raja Jean Fenske – Asad Ali
  • Aki Avni – Mohsen
  • Maz Jobrani – Marko Khatami
  • Marc Casabani – Omar
  • Fred Toma – Basheer

Peter Kingsley Group

[edit]

Miscellaneous federal agents, police, and medical personnel

[edit]
  • Scott Allan Campbell – Dr. Porter (Field medic at warehouse, diagnoses George Mason)
  • Sal Landi – Sgt. Arroyo (LAPD officer at warehouse)
  • Christopher Murray – FBI Agent Dockerty (Agent at airfield)

Miscellaneous characters

[edit]
  • Antonio David Lyons – Cam Strocker (Telephone Repairman taken hostage)
  • Peter Gregory – Dr. Spire (Doctor at medical center)
  • Bernard White – Al-Fulani (Imam)
  • Justin Louis – Danny Dessler (Michelle Dessler's brother)
  • Jeff Wincott – Davis (kidnaps and tortures Jack)
  • Eric Christian Olsen – John Mason (George Mason's son)
  • Jim Abele – Ralph Burton (Private Investigator who helps Kate Warner)
  • Al Sapienza – Paul Koplin (Ralph Burton's boss)
  • Michael Holden – Ron Wieland (Journalist; Held by the President)
  • Michael Mantell – Steve Hillenburg (CIA Operative who aides Sherry Palmer)
  • Michael James Reed – Foreman (Foreman for a construction crew that Marie Warner talks to)
  • Nick Offerman – Marcus (Captures Kate Warner and assaulted Yusuf Auda)
  • Raymond Cruz – Rouse (Captures Kate Warner and assaulted Yusuf Auda)
  • Maurice Compte – Cole (Captures Kate Warner and assaulted Yusuf Auda)
  • Carmen Argenziano – General Gratz

CTU / Division

[edit]

Palmer's family and administration and associates

[edit]

Saunders' family and crew

[edit]
  • Paul Blackthorne – Stephen Saunders (Former soldier and MI6 agent; turned into terrorist; main villain)
  • Greg Ellis – Michael Amador (Seller of biological weapon)
  • Lothaire Bluteau – Marcus Alvers (arms dealer; sold the Cordilla Virus; assumed to have a past with Nina Myers)
  • Salvator Xuereb – Arthur Rabens (one of Stephen Saunders' couriers, has biological weapon in L.A.)
  • Alexandra Lydon – Jane Saunders (Daughter of Stephen Saunders)
  • Joe D'Angerio – Osterlind (Saunders' assistant)
  • Gabrielle Fitzpatrick – Diana White (lover of Steven Saunders; help fund Saunders' operation)

Salazar family and associates

[edit]
  • Joaquim de Almeida – Ramon Salazar (Narco-terrorist; Head of the Salazar family)
  • Vincent Laresca – Hector Salazar (Ramon's brother; Head of family in Ramon's absence)
  • Vanessa Ferlito – Claudia Hernandez (Girlfriend of Hector)
  • Josh Cruz – Oriol (Claudia's father)
  • Julian Rodriguez – Sergio (Claudia's brother)
  • Lorry Goldman – Douglas Shaye (Ramon's lawyer)
  • Gino Montesinos – Eduardo (Henchman)
  • Eduardo Garcia – Emilio (Henchman)
  • Gonzalo Menendez – Pablo (Henchman)
  • David Labiosa – David Gomez (Henchman)

Singer family and associates

[edit]

National Health Services

[edit]

Miscellaneous police / Federal employees / Medical

[edit]
  • Paul Vincent O’Connor – Police Chief Hendrix
  • Tony Todd – Detective Michael Norris (interrogates Julia Milliken)
  • Simon Templeman – Trevor Tomlinson (Agent in MI6 office in LA; killed in gunship attack)
  • Maria del Mar – Rachel Forrester
  • Kevin Chapman – Kevin Mitchell

Chandler Plaza Hotel staff and guests

[edit]

Miscellaneous characters

[edit]

Department of Defense / Heller's family

[edit]

CTU / Division

[edit]

Terrorist group

[edit]

Keeler's family and administration

[edit]

McLennan-Forster storyline

[edit]

Chinese Consulate

[edit]

Miscellaneous characters

[edit]

Bauer's family and associates

[edit]

Jack's Inner Circle

[edit]

CTU / Division / Homeland Security

[edit]

Sentox Nerve Gas Conspiracy

[edit]

Federal Government officials, employees and associates

[edit]

Palmer family

[edit]

Russian Federation

[edit]

Russian separatists and collaborators

[edit]

People's Republic of China

[edit]

Miscellaneous Feds/Police/Medical

[edit]
  • John G. Connolly – Sgt. Mike McLaren

Miscellaneous characters

[edit]

Bauer's family and associates

[edit]

CTU / Division / District

[edit]

Federal Government officials, employees and associates

[edit]
  • D. B. Woodside – Wayne Palmer[21] (President of the United States)
  • Peter MacNicol – Tom Lennox[32](President Palmer's Chief of Staff)
  • Jayne AtkinsonKaren Hayes[29] (National Security Advisor)
  • Regina King – Sandra Palmer
  • Powers Boothe – Noah Daniels[33] (vice-president of the United States)
  • Chad Lowe – Reed Pollock (Deputy Chief of Staff)
  • Kari Matchett – Lisa Miller
  • Bob Gunton – Ethan Kanin (Secretary of Defense)
  • Michael Shanks – Mark Bishop (Lobbyist)
  • Michael Reilly Burke – Bruce Carson
  • Jim Holmes – Arthur Welton
  • Ray Laska – Kevin Graves (Attorney General)
  • D. C. Douglas – Blake Simon (President Palmer's Advisor)
  • Matt McKenzie – Agent Hollister (Secret Service Agent)
  • Andrea Grano – Ellen Price (President Palmer's press secretary)
  • Jolene Kim – Melinda (President Palmer's assistant)
  • Jamison Jones – Dan (Head of Secret Service)
  • William Bumiller – Agent Lowry (Secret Service Agent)
  • Matt Battaglia – Agent Jennings (Secret Service Agent)
  • Ajay Mehta – Middle Eastern Ambassador
  • Peter Iannone – Homeland Security Official
  • Kurt Hueig – Homeland Security Official
  • Myra Mawk – Homeland Security Official

People's Republic of China

[edit]

Russian/Islamic Terrorists

[edit]

Phillip's Conspirators/BXJ Technologies

[edit]

Anacostia Detention Facility

[edit]
  • Scott William Winters – Agent Samuels
  • Al Faris – Salim
  • Haaz Sleiman – Heydar

Russian Federation

[edit]

Miscellaneous characters

[edit]

The following characters appeared in the television film 24: Redemption and the seventh season of the series.

Bauer family and others

[edit]

FBI

[edit]

Federal government officials, employees and associates

[edit]

"Underground" CTU

[edit]

Juma regime

[edit]

Starkwood

[edit]

Prion Variant cabal

[edit]

Miscellaneous characters

[edit]

Bauer's family and associates

[edit]

CTU NY

[edit]

Federal Government officials, employees and associates

[edit]

Islamic Republic of Kamistan

[edit]

Red Square

[edit]

Russian Federation

[edit]

Miscellaneous characters

[edit]

Bauer and associates

[edit]

CIA London

[edit]

Federal Government officials, employees and associates

[edit]

United Kingdom officials, employees and associates

[edit]

Open Cell

[edit]

Drone terrorist plot

[edit]

Russian Federation

[edit]

Miscellaneous characters

[edit]

List of U.S. presidents

[edit]
Season Year Main Location Time Election President Actor/Actress VP Actor Party
1 April 23 Los Angeles 12:00 a.m. – 12:00 a.m. N No U.S. President mentioned
2 + 18 months 8:00 a.m. – 4:58:45 a.m. + 1 David Palmer Dennis Haysbert Jim Prescott Alan Dale Democratic
4:58:45 a.m. – 7:48:23 a.m. Jim Prescott Alan Dale Vacant
7:48:23 a.m. – 8:00 a.m. David Palmer Dennis Haysbert Jim Prescott Alan Dale
3 + 36 months 1:00 p.m. – 1:00 p.m.
4 prequel + 3 months + 2 John Keeler Geoff Pierson Charles Logan Gregory Itzin Republican
+ 12 months
+ 3 months Los Angeles
4 + 6 hours 7:00 a.m. – 11:59:12 a.m.
11:59:12 a.m. – 7:00 a.m. Charles Logan Gregory Itzin Vacant
5 prequel + 12 months Chicago 1:47:00 p.m. – 1:54:23 p.m. Not mentioned
5 + 6 months Los Angeles 7:00 a.m. – 7:00 a.m. Hal Gardner Ray Wise
6 prequel + 7 months China Hal Gardner Ray Wise Not mentioned
6 + 13 months Los Angeles 6:00 a.m. – 11:54 a.m. + 3 Wayne Palmer DB Woodside Noah Daniels Powers Boothe Democratic
11:54 a.m. – 6:00 a.m. Noah Daniels Powers Boothe Vacant
Debrief + 15 hours 9:00 p.m. – 10:38:29 p.m.
Redemption + 45 months Sangala 3:00 p.m. – 4:57:14 p.m. Not mentioned
4:57:14 p.m. – 5:00 p.m. + 4 Allison Taylor Cherry Jones Mitchell Hayworth Cameron Daddo Republican
7 + 2 months Washington, D.C. 8:00 a.m. – 8:00 a.m.
8 + 18 months New York City 4:00 p.m. – 4:00 p.m. Not mentioned
Chloe's Arrest + 1 day No U.S. President mentioned
Live Another Day + 48 months London 11:00 a.m. – 11:00 a.m. + 5 James Heller William Devane Not mentioned
Solitary + 30 months + 6 No U.S. President mentioned
Legacy + 6 months Washington, D.C. 12:00 p.m. – 12:00 p.m.

References

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[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia
from Grokipedia

The characters of the American series 24 form a broad ensemble of federal agents, government officials, family members, and adversaries central to the show's real-time depiction of counter-terrorism operations over 24-hour periods. Created by and Robert Cochran, the series aired eight seasons from 2001 to 2010 on , with each season consisting of 24 episodes representing consecutive hours, followed by a 2014 limited revival series. At the core is protagonist (Kiefer Sutherland), a Counter Terrorist Unit (CTU) field agent whose unyielding tactics, including interrogation methods that sparked debate on efficacy and ethics in post-9/11 security contexts, drive efforts to foil assassination plots, bombings, and biological attacks. Key supporting figures include CTU personnel such as analyst Chloe O'Brian (Mary Lynn Rajskub), operations head Tony Almeida (Carlos Bernard), and political allies like President David Palmer (Dennis Haysbert), alongside rotating villains and Bauer family members like daughter Kim Bauer (Elisha Cuthbert) whose personal stakes amplify the narrative tension across 204 episodes.

Overview

Core recurring characters

Jack Bauer, portrayed by , serves as the protagonist and lead counter-terrorism agent for the Counter Terrorist Unit (CTU) in . He drives the plot across all eight seasons of the original series (2001–2010), the 2008 television film 24: Redemption, and the 2014 limited series 24: Live Another Day, totaling 205 episode appearances. , played by , functions as a senior computer analyst at CTU, providing critical technical support and intelligence to Bauer. Introduced in 2, she recurs through 8, Redemption, and Live Another Day, with 97 main appearances noted for her evolving role from support staff to key operative. , portrayed by , acts as a CTU and Bauer's trusted colleague who rises to interim director. He appears in 75 episodes across seasons 1–7 and 9, surviving multiple near-death experiences that underscore his resilience. David Palmer, enacted by Dennis Haysbert, represents the U.S. President facing assassination threats and national crises. Featured in 72 episodes primarily across seasons 1–3, his leadership influences early plotlines despite limited later appearances. Bill Buchanan, played by James Morrison, emerges as CTU director from season 4, overseeing operations with strategic acumen until his arc concludes in season 7 and a brief return in season 9. His tenure spans key mid-series developments in counter-terrorism protocols.

Season-spanning supporting roles

Aaron Pierce, portrayed by , serves as a dedicated U.S. Secret Service agent across the first seven seasons of 24, appearing in critical protective roles for multiple presidents and their entourages. Initially assigned to Senator David Palmer's detail in Season 1, Pierce demonstrates exceptional loyalty by safeguarding Palmer's family amid assassination threats and later extends his service to President Charles Logan in Seasons 4 through 6, where he navigates conspiracies including nuclear threats and political betrayals. His tenure culminates in Season 7 under President , involving covert operations against domestic terrorism; Pierce's consistent professionalism and moral compass distinguish him as a stabilizing force in high-stakes scenarios. Bill Buchanan, played by James Morrison, emerges as a key Counter Terrorist Unit (CTU) leader from Season 4 through Season 7, totaling 64 episodes and marking him as one of the series' longest-running supporting figures. Introduced as acting director during a nerve gas crisis in Season 4, Buchanan's strategic acumen and self-sacrificial decisions define his arc, including coordinating responses to Sentox attacks and later assuming full directorship amid escalating threats in Seasons 5 and 6. In Season 7, his involvement in operations against the Juma regime and personal redemption through apparent suicide underscore his commitment to over personal survival. Ethan Kanin, portrayed by , functions as a high-level political operative spanning Seasons 6 through 8, transitioning from Secretary of Defense under President Wayne Palmer to for President . Debuting in Season 6 amid nuclear detonation threats, Kanin advises on military and diplomatic responses; his role expands in Season 7 to manage cabinet crises and ethical dilemmas during the Sangala invasion plot, and in Season 8, he grapples with negotiations overshadowed by risks. Kanin's pragmatic counsel and occasional clashes with administration insiders highlight tensions between policy and expediency in crisis governance. Mike Novick, played by , acts as chief of staff to President David Palmer in Seasons 1 and 2, appearing in over 20 episodes combined and influencing early political maneuvers. In Season 1, Novick aids in navigating assassination plots and family scandals; his Season 2 tenure involves guiding responses to Second Wave nuclear threats and internal discord. Novick's analytical support and occasional ethical reservations provide continuity in Palmer's advisory circle during foundational crises.

Season 1

Bauer family and personal associates

Teri Bauer () functions as the wife of and mother of during the events of Season 1, which aired from November 6, 2001, to May 21, 2002. She actively searches for her missing daughter early in the 24-hour period, resulting in her own abduction by mercenaries under Ira Gaines to exert pressure on Jack's counter-terrorism operations. Following an attack that induces temporary , Teri reunites briefly with Jack near the day's conclusion but is fatally shot by the traitor Nina Myers, marking a pivotal shift in the series. Kim Bauer (Elisha Cuthbert) appears as the teenage daughter of Jack and Teri Bauer, whose decision to sneak out of the family home sets off the personal subplot intertwined with the broader assassination threat against Senator David Palmer. Captured alongside her mother by Gaines' group, Kim endures multiple threats, including confinement, an attempted by associate Dan, and a failed escape attempt from a compound, before being rescued in the season's later hours. Her survival contrasts with her mother's fate, highlighting the terrorists' strategy of targeting Bauer family members for leverage. No distinct personal associates of Jack Bauer beyond his immediate family and professional CTU contacts are prominently developed in Season 1, with the narrative emphasizing familial vulnerabilities over external friendships.

CTU and counter-terrorism operatives

Jack Bauer, portrayed by Kiefer Sutherland, functions as the director of field operations for the Los Angeles division of the Counter Terrorist Unit (CTU) during the 24-hour period of Season 1, spanning from midnight to noon on the day of the California presidential primary. Bauer coordinates tactical responses to an assassination plot targeting Senator David Palmer, including raids on suspect locations and interrogations of captured terrorists, while simultaneously searching for his abducted wife Teri and daughter Kim. His actions demonstrate a commitment to thwarting the threat, marked by high-stakes decisions such as infiltrating enemy compounds and employing aggressive interrogation techniques on key figures like Ira Gaines. Nina Myers, played by Sarah Clarke, serves as the operations manager at CTU Los Angeles, assisting Bauer in analyzing intelligence and managing communications during the crisis. Initially appearing as a reliable colleague and Bauer's former lover, Myers handles key decrypting tasks and coordinates with field agents. In the season's climax, she is exposed as a mole collaborating with the conspirators, leading to her of Teri Bauer and subsequent confrontation with Jack, confirming her betrayal through decrypted evidence linking her to the plot. , portrayed by , operates as a CTU agent supporting field operations and internal security. Almeida aids in key interventions, such as rescuing Teri Bauer from terrorist custody and assisting in the apprehension of suspects tied to the Palmer assassination scheme. His role involves tactical support and loyalty to CTU protocols amid internal suspicions of moles. Jamey Farrell, played by Karina Arroyave, works as a and analyst at CTU, contributing to decryption and efforts early in the response to the assassination threat. Farrell's involvement in decoding a keycard implicates her temporarily in the mole hunt before her death by Myers' hand, revealing partial complicity in the conspiracy.

Political figures and Palmer campaign

David Palmer, portrayed by Dennis Haysbert, serves as the Democratic U.S. Senator from and leading presidential candidate during the events of Day 1, scheduled for primaries. As the primary target of a multifaceted assassination plot, Palmer coordinates with CTU while confronting internal family crises that could derail his bid, ultimately prioritizing over personal scandals by the day's end. Sherry Palmer, played by , is David Palmer's wife and a key campaign influencer whose ambition leads her to orchestrate a of their son Keith's involvement in a past fatal incident to safeguard the family's reputation. Her actions, including pressuring Keith and manipulating evidence, strain her marriage and expose ethical fractures within the campaign, culminating in David expelling her from their home after revelations of her deceptions. Keith Palmer, portrayed by Vicellous Shannon, is the Palmers' adult son whose accidental role in the death of teenager Lyle Gibson years earlier becomes a leveraged against his father's candidacy. Initially complicit in the alongside his mother, Keith grapples with guilt and external blackmail, eventually confessing to , which forces the senator to weigh political viability against familial loyalty. Mike Novick, depicted by , acts as Palmer's cautious , offering pragmatic counsel on campaign strategy and amid the threats. Novick's interactions with Palmer highlight tensions between idealism and , including advising on responses to the family and security protocols. Nicole Palmer appears as David and Sherry's daughter with limited involvement, primarily referenced in family dynamics but not central to the day's primary conflicts.

Assassination conspirators

Ira Gaines, portrayed by , served as the primary U.S.-based operational leader for the assassination plot against Palmer, orchestrating the kidnapping of Jack Bauer's wife Teri and daughter Kim on February 27, 2001, to coerce Bauer into carrying out the killing at a 10:00 p.m. rally. Gaines managed a compound in the where Bauer infiltrated to rescue his family, and he was killed by Bauer during the confrontation around 5:00 a.m. the following day. Nina , played by , operated as a deep-cover mole within CTU Los Angeles, sabotaging investigations and relaying intelligence to the plot's architects while maintaining a facade of to Bauer. Her betrayal was exposed late on Day 1, after she murdered Jamey Farrell to cover tracks and shot Teri Bauer during the family's escape attempt near 11:00 p.m., though escaped initial capture. Victor Drazen, depicted by , masterminded the conspiracy from exile as a Serbian seeking vengeance against Palmer and Bauer for a 1999 black ops raid that killed his wife and son, directing resources to eliminate both targets on Day 1. His sons, Andre Drazen (portrayed by ) and Alexis Drazen (portrayed by Miloslav Miroslav), coordinated on-the-ground efforts after Gaines's death, including attempts to assassinate Bauer and Palmer using snipers and direct assaults, with Andre killed by Bauer around 6:00 p.m. and Victor later in the day. Mandy, a freelance assassin played by , was hired for targeted actions supporting the plot, including stealing Palmer's briefcase containing incriminating evidence against his son Keith early on Day 1 and later attempting to kill Bauer, though her role was peripheral to the core coordination.

Drazen syndicate and foreign operatives

Victor Drazen, portrayed by , served as the primary architect of the terrorist plot during Day 1, motivated by vengeance against Jack Bauer for a covert U.S. operation in that killed his wife and daughter a earlier. A Serbian known for campaigns, Drazen coordinated the attempt on presidential candidate David Palmer from a hidden , employing mercenaries and moles to execute his scheme. He was ultimately killed by Bauer in a confrontation aboard the vessel around 11:00 p.m. Andre Drazen, portrayed by , acted as the operational leader of the syndicate following his father's directives, overseeing logistics, communications, and field assets from a secure compound. As Victor's elder son and a former Serbian military officer, Andre managed the escalation of attacks after initial setbacks, including attempts to eliminate witnesses and CTU personnel. He engaged in direct tactical decisions, such as deploying snipers and coordinating with infiltrators, and was killed by Bauer during a raid on their facility. Alexis Drazen, portrayed by , functioned as a specialist assassin and within , leveraging his skills for high-precision eliminations tied to the Palmer . Victor's younger son, Alexis underwent cosmetic surgery to alter his appearance for infiltration purposes and participated in cleanup operations targeting Bauer family members. He was fatally stabbed by CTU analyst Elizabeth Nash after capture, occurring shortly after 10:00 p.m. on Day 1. Jovan Myovic, portrayed by Henri Lubatti, operated as a Serbian assassin contracted by the Drazens to neutralize loose ends, including pursuits of Bauer associates. Deployed in the later hours of Day 1, Myovic tracked and engaged targets in , supporting the syndicate's efforts to cover tracks amid CTU interference. His activities included armed confrontations that advanced the foreign-backed phase of the operation before his elimination by federal forces.

Miscellaneous peripheral figures

Rick Allen, portrayed by , served as a supporting in the kidnapping subplot of season 1. A career criminal recruited by Dan Mounts under Ira Gaines' organization, Allen infiltrated a to befriend around 11:00 p.m., facilitating her abduction alongside Janet York as leverage against . Appearing in 18 episodes, Allen displayed , attempting to release the captives later that night but was executed by Gaines via gunshot for perceived betrayal around 4:00 a.m. Dan Mounts, played by Matthew Carey, acted as Allen's accomplice in the initial stages of Kim Bauer's kidnapping. Tasked by Gaines' group, Mounts coordinated the nighttime operation at the , overpowering and transporting the victims to a remote compound. His role ended abruptly when he was killed by Rick Allen in during an altercation amid escalating tensions among the abductors. These figures represent hired operatives on the conspiracy's periphery, distinct from core terrorist elements, highlighting the use of disposable local criminals in the plot's civilian-targeted diversions.

Season 2

CTU and internal threats

() directed CTU operations during Day 2, overseeing responses to the nuclear detonation threat from Second Wave terrorists. Exposed to lethal levels while investigating a lead, Mason initially resisted Jack Bauer's return to duty and prioritized protocol over expediency, leading to tensions within the unit. Despite his deteriorating health, he coordinated evacuations and ultimately sacrificed himself by flying a contaminated plane carrying the bomb to a safe detonation over the on March 10, 2002 (in-universe timeline). Tony Almeida (Carlos Bernard), as CTU chief of staff, managed tactical coordination, field deployments, and interrogation efforts amid the crisis. Promoted to acting director after Mason's incapacitation, Almeida authorized high-risk operations, including Jack's pursuit of Joseph Wald, and navigated interpersonal dynamics with emerging colleague Michelle Dessler. His decisions, such as overriding security protocols to facilitate Bauer family involvement, proved pivotal in tracing the bomb's components. Michelle Dessler (), a CTU intelligence analyst, supported decryption of encrypted chatter and logistical analysis during the 18-hour span from 7:00 a.m. to 1:00 a.m. the following day. She collaborated closely with Almeida on threat assessments, including verification of nuclear material signatures, and survived the nerve gas assault on CTU headquarters, contributing to post-attack recovery efforts. Dessler's analytical precision aided in identifying links between corporate figures and the conspiracy. Paula Schaeffer (Sara Gilbert), a newly assigned CTU systems analyst, specialized in reverse-engineering terrorist transmission protocols early in the day. Her breakthrough in decoding Second Wave signals exposed vulnerabilities but drew the conspirators' attention, culminating in her targeted exposure to Sentox nerve gas remotely deployed via hacked HVAC systems during the 10:00 a.m. assault on CTU. Schaeffer succumbed to the toxin en route to medical aid, highlighting the internal sabotage risks posed by external infiltrators exploiting personnel access. The season's internal threats to CTU stemmed not from embedded moles but from sophisticated cyber-physical intrusions by conspirators like , who weaponized building infrastructure for the nerve gas deployment, killing three staff and disrupting operations for over an hour. Mason's radiation-induced impairment created command vacuums, amplifying vulnerabilities, though no CTU personnel actively betrayed ; post-incident audits revealed exploited legacy protocols rather than insider .

Palmer administration and political allies

Mike Novick (Jude Ciccolella) serves as to President David Palmer during Day 2. Initially a cautious advisor balancing Palmer's idealism with pragmatic concerns, Novick coordinates responses to the escalating nuclear threat and internal conspiracies. He participates in the cabinet's invocation of the 25th Amendment to remove Palmer from power, citing concerns over the president's stability amid mounting crises, though he later expresses regret and aids in restoring Palmer's authority. Lynne Kresge (Michelle Forbes) acts as a senior presidential aide specializing in and within the White House . Loyal to Palmer, she uncovers elements of the administration's internal dissent and attempts to alert him to the 25th Amendment proceedings, leading to her temporary detention by security personnel under Novick's orders. Kresge survives an assault amid the chaos and continues supporting Palmer's efforts to avert further attacks. Eric Rayburn (Timothy Carhart) holds the position of National Security Advisor, delivering briefings on intelligence related to the nuclear bomb detonation in and subsequent threats. His role involves coordinating with federal agencies on counter-terrorism measures, but he becomes a target of the orchestrating the attacks, resulting in his murder by associates of Secretary of Defense Stanton to silence potential leaks. Sherry Palmer (Penny Johnson Jerald), as First Lady, leverages her political acumen to navigate scandals and threats tied to the administration's past, including efforts to protect family secrets that intersect with the day's terrorist plot. She collaborates with Palmer on damage control and confronts internal betrayals, demonstrating strategic influence over key decisions despite personal vulnerabilities exposed during the crisis. Wayne Palmer (DB Woodside), the president's brother and a political operative, functions as an informal advisor and ally, offering counsel on trust issues within the administration and assisting in investigations into corruption linked to the nuclear conspiracy. His involvement underscores familial and ideological support for Palmer amid attempts to undermine the presidency.

Kim Bauer and civilian abductees

Kimberly "Kim" Bauer, portrayed by Elisha Cuthbert, serves as the adult daughter of protagonist Jack Bauer during Day 2, which spans from 8:00 a.m. to the following 7:00 a.m. on October 7, 2002, in the series timeline. Employed as a nanny for young Megan Matheson, Kim becomes entangled in a domestic crisis upon discovering her employer's abuse toward his wife, Carla. She protects Megan amid escalating violence, including physically subduing Gary Matheson and fleeing with the child, which draws police pursuit and temporary arrest alongside ally Miguel. Her actions highlight civilian vulnerability amid personal peril, separate from the season's nuclear threat, culminating in her reunion with family after Gary's fatal confrontation with Jack. Carla Matheson (née Adair), portrayed by Neda Agha-Soltan, is the pregnant wife of Gary Matheson and mother to their daughter , depicted as a victim of prolonged spousal abuse including drugging and during Day 2. Initially found incapacitated by sedatives administered by Gary, Carla aids Kim's escape by providing her vehicle keys despite her vulnerability, revealing the extent of her captivity within the household. Her sister is referenced but does not appear on-screen. Carla's ordeal underscores patterns of independent of terrorist plots, resolving with Gary's death. Gary Matheson, portrayed by , functions as the abusive patriarch of the Matheson family and Kim Bauer's employer during Day 2. As Carla's husband and Megan's father, he exhibits controlling behavior, including spiking drinks at a to target women and later assaulting Carla while attempting to coerce Kim. After Kim shoots him non-fatally under Jack's remote instruction, Gary pursues the fugitives, leading to his permanent elimination by Jack in . His civilian criminality provides a of interpersonal threat contrasting the season's geopolitical dangers. Megan Matheson, portrayed by Angela Hughes (uncredited in some listings), is the young daughter of Gary and Carla Matheson, under Kim Bauer's care as a during Day 2. As a child bystander to her parents' abusive dynamic, Megan is shielded by Kim during Gary's rampage, including relocation to a for before further evasion. Her presence amplifies the stakes of Kim's protective efforts, though she sustains no direct harm and exits the narrative post-resolution. Miguel, portrayed by , appears as Kim Bauer's brief romantic interest and a civilian assisting during Day 2's early afternoon hours. Contacted by Kim for aid in extracting Megan from Gary's influence, Miguel helps orchestrate an escape using Gary's vehicle but becomes trapped in a subsequent crash during police evasion. Mistaken for the perpetrator, he is fatally shot by authorities, marking an unintended casualty in the civilian subplot.

Diplomatic and corporate figures

Peter Kingsley, portrayed by Tobin Bell, was an oil executive and conspirator who orchestrated the nuclear detonation plot in during the events of Day 2. As a businessman with established and intelligence connections, Kingsley collaborated with the Second Wave terrorist cell while secretly directing operations to frame Middle Eastern groups, aiming to provoke U.S. intervention in oil-rich regions for economic gain. His scheme relied on corporate resources, including a fortified desert facility used for coordination, mercenary deployment, and the torture of captives such as to obstruct investigations. Kingsley was ultimately killed by Bauer in a direct confrontation after CTU forces infiltrated his compound around 8:00 a.m. Bob Warner, portrayed by Daniel Dae Kim in early episodes before recasting, functioned as a defense industry executive and father to Kate and Marie Warner. As head of a involved in sensitive government contracts, Warner came under suspicion for potential ties to the nuclear threat due to his business dealings and family connections to Reza Naiyeer, a falsely implicated associate. Investigations by CTU revealed no direct involvement in the conspiracy, though his firm's operations highlighted intersections between corporate sectors and vulnerabilities. Warner was detained briefly but released after evidence cleared him, underscoring the plot's misdirection tactics. Diplomatic engagements during the crisis involved President Palmer's administration coordinating with foreign officials to gather intelligence on the threat, including a scheduled exchange with a Middle Eastern representative that was disrupted by a crash attributed to . These interactions aimed to prevent premature escalation but were compromised by the underlying corporate-driven deception, which sought to exploit international tensions for strategic advantage.

Nuclear threat perpetrators

Syed Ali was the operational leader of Second Wave, an Islamic terrorist cell tasked with detonating a smuggled nuclear device over to maximize casualties. Ali coordinated the device's transport via cargo ship and its arming at a , intending an aerial detonation that would have killed over 1 million people. Captured by CTU agents during a raid on a Victorville around 6:00 p.m., he endured interrogation by , including physical coercion, before revealing misleading information about a bomb; Ali was ultimately killed by Bauer to extract a final confession. Marie Warner, the younger sister of Kate Warner, infiltrated her own family as a deep-cover operative for Second Wave after being recruited by Syed following her mother's death. Posing as a loyal family member, she facilitated the nuclear plot by providing intelligence on potential U.S. responses and directly participating in the device's handling at the Warner residence; she murdered her father, Hal Warner, to cover her tracks and later fled to rendezvous with Ali's cell. Warner's betrayal extended to framing her fiancé, Naiyeer, and she escaped CTU custody by killing an agent, continuing her involvement until subdued later in the day. Peter Kingsley served as a key American conspirator and white supremacist ideologue who orchestrated the nuclear detonation as part of a scheme to provoke U.S. military action against Islamic nations, thereby advancing domestic authoritarian agendas. Hired by intermediary Max to manipulate Second Wave, Kingsley ensured the bomb's technical viability and coordinated distractions, including the CTU bombing, to enable the attack; his plan culminated in the device's explosion in the hills after a failed aerial delivery, resulting in approximately 40,000 virtual deaths from radiation. Kingsley was confronted and killed by aboard after attempting to assassinate President Palmer. Second Wave operatives under , including and Omar, supported logistics such as securing the detonation van and arming the device at an abandoned hotel, with Omar surviving initial CTU assaults to execute the final activation sequence before the bomb's relocation and detonation. These foot soldiers adhered to jihadist motivations, contrasting with Kingsley's geopolitical manipulation of the cell.

Miscellaneous and support

Brad Hammond, portrayed by Randle Mell, was the Deputy Regional Director for the National Security Agency (NSA) who intervened in CTU Los Angeles operations during Day 2. He arrived shortly after the CTU bombing to evaluate the facility's functionality and coordinate with acting director Tony Almeida, ultimately allowing limited autonomy before escalating oversight from Division headquarters. Later, amid internal suspicions regarding protocol breaches, Hammond authorized the arrest of Almeida and Michelle Dessler for unauthorized actions in pursuing leads on the nuclear threat. Rick Phillips, an FBI agent active on Day 2, partnered with Agent Harris to transport and secure Nina Myers under Jack Bauer's supervision aboard a flight to meet a potential on the nuclear locations. Phillips coordinated the operation's logistics, including preparations for a raid on a suspected terrorist safehouse based on Myers' intelligence, though the effort was compromised by her duplicitous communications. Sam Krugman, a Los Angeles Police Department (LAPD) officer, responded to the domestic disturbance and murder scene involving Gary Matheson early in Day 2. Krugman's partner was killed by Matheson during the confrontation at the Matheson residence, prompting a police pursuit that intersected with Kim Bauer's escape with Megan Matheson; Krugman briefly pursued leads on the abducted girl before the case escalated to federal jurisdiction.

Season 3

CTU and federal responders

Ryan Chappelle was the District Director of the Counter Terrorist Unit (CTU) during Day 3, overseeing CTU amid the cordon sanitaire and viral threat response; he coordinated with field operations and authorized high-risk measures, including personnel evaluations and tactical interventions. Portrayed by , Chappelle's decisions emphasized protocol adherence and escalation of federal resources. Brad Hammond acted as Regional Division Director, providing supervisory support to CTU following initial crises; he assessed operational integrity post-security breaches and directed agent deployments. Played by Randle Mell, his involved remote command and verification of CTU compliance with directives. Tony Almeida served as CTU Los Angeles field coordinator and temporary acting director, managing tactical responses, inter-agency liaison, and on-site command during the virus containment efforts; he handled detainee interrogations and coordinated with external agencies. portrayed Almeida, whose actions included defying orders for operational necessity. Michelle Dessler functioned as head of communications at CTU Los Angeles, overseeing surveillance feeds, data analysis, and communication protocols critical to tracking viral dispersal and suspect movements. depicted Dessler, who navigated internal conflicts while maintaining analytical support. , introduced as a , provided technical expertise in hacking, satellite imaging, and processing to aid threat neutralization. Mary Lynn played O'Brian, whose debut involved resolving communication blackouts and forensic tracing. Chase Edmunds operated as a junior , executing raids, extractions, and direct confrontations with perpetrators linked to the bioweapon scheme. portrayed Edmunds, focusing on kinetic operations under Jack Bauer's guidance. Adam Kaufman worked as a junior analyst at CTU , assisting with initial threat assessments and database queries before his early elimination in the crisis. embodied Kaufman, contributing to the unit's early analytical efforts.

Palmer administration and key advisors

President David Palmer (portrayed by ) leads the administration during the 24-hour crisis involving a deadly virus threat, coordinating with CTU while grappling with a scandal implicating his wife in the murder of Julia Thorne's mother. He authorizes aggressive federal responses, including military quarantines, and faces pressure from personal and political vulnerabilities that test his resolve. First Lady Sherry Palmer (Penny Johnson Jerald) oversteps her advisory role by investigating a threat to her husband's reelection, leading to her involvement in covering up a homicide tied to past family secrets; her actions force David to confront ethical dilemmas, culminating in her temporary sidelining from White House affairs. Wayne Palmer (D.B. Woodside), David's brother and , manages internal operations and loyalties amid the crisis, advising on containment strategies and navigating the fallout from Sherry's indiscretions; he demonstrates fierce protectiveness toward the president, prioritizing family and administration stability over external scrutiny. Mike Novick (Jude Ciccolella), a senior advisor and former , returns to offer strategic counsel on matters, including liaison with CTU and assessment of the viral outbreak's implications; his cautious pragmatism contrasts with Palmer's idealism, influencing decisions on invoking emergency powers. Secret Service Agent Aaron Pierce (), assigned to protect the Palmer family, exhibits unwavering loyalty by shielding during her entanglement in the cover-up and ensuring the president's security amid risks tied to the broader .

Saunders organization and viral agents

Stephen Saunders (Paul Blackthorne) led the bioterrorist cell that dispersed the Cordilla virus during Day 3, leveraging his prior experience as a British intelligence operative to coordinate attacks on multiple sites, including the release of 10 vials to pressure government concessions. Saunders directed subordinates to infect targets such as the Chandler Plaza Hotel, where symptoms appeared in over 100 guests by 7:00 a.m., and demanded the extraction of a high-profile prisoner in exchange for an . His operation resulted in at least 12 confirmed deaths from the virus before containment efforts succeeded. Michael Amador (Greg Ellis) operated as an arms dealer who initially brokered the sale of the Cordilla to contacts before falling under Saunders' command, handling early distribution logistics that enabled the pathogen's entry into the U.S. . Amador's role included overseeing the transfer of vials acquired from rogue Ukrainian scientists, which CTU intercepted during a at 3:00 a.m., leading to his capture after a confrontation involving undercover agent . His actions facilitated the infection of CTU field agent Gael Ortega, who succumbed to symptoms within hours of exposure. Jane Saunders (Alexandra Lydon), daughter of Stephen Saunders, was peripherally involved when deliberately exposed to the as leverage to compel her father's compliance, highlighting the organization's ruthless internal dynamics. Infected during a 9:00 a.m. exchange, Jane provided CTU with critical intelligence via a secure contact number, aiding the location of remaining virus stocks, though her condition required immediate and administration. Unnamed operatives within the Saunders network executed on-site releases, such as at the where the spread via HVAC systems, prompting mass quarantines and contributing to the day's estimated 1,000 potential exposures before Jack Bauer's intervention neutralized the primary threats. The group's structure emphasized compartmentalization, with Saunders retaining direct control over distribution to maintain leverage throughout the 24-hour crisis.

Drug cartel affiliates

Ramon Salazar, portrayed by , serves as the head of the Salazar family and leader of a major operating out of Las Nieves. Prior to the events of Day 3, he was arrested and imprisoned in a U.S. federal facility after infiltrated his organization undercover for a year, leading to his capture on charges related to trafficking. His release is negotiated early in the crisis as leverage to counter a bioterror threat linked to his cartel, during which he aids Bauer in tracking the Cordilla while pursuing his own agenda of retaliation and control. Hector Salazar, played by , is Ramon Salazar's younger brother and lieutenant who assumes operational control of the cartel during Ramon's incarceration. He oversees drug smuggling and expands into by acquiring vials of the Cordilla through intermediaries, intending to deploy it in unless demands are met. Hector maintains the cartel's ranch compound in as a base, coordinating with associates to distribute the pathogen via unwitting carriers like teenage drug dealer Kyle Singer. Claudia Hernandez, depicted by , functions as Hector Salazar's girlfriend and operational aide within the , handling logistics and personal affairs at the Mexican ranch. Her familial ties include a father employed as labor and a brother involved peripherally; she briefly rekindles a connection with Bauer from his prior undercover stint. Claudia meets her during a confrontation at the compound when , suspecting , shoots her amid escalating tensions over the virus plot.

Civilian and medical personnel

Dr. Anne Packard, portrayed by , is a civilian physician who rekindles a romantic relationship with President David Palmer during the events of Day 3, spanning approximately 8 episodes. She provides medical advice amid the escalating viral crisis, including consultations on personal health matters for Palmer, though her role remains peripheral to the response coordinated by federal agencies. Kyle Singer, a civilian college student played by an uncredited actor in key scenes, becomes an unwitting carrier of the Cordilla virus after exposure during a transaction at a Los Angeles hotel orchestrated by terrorist Michael Amador. His infection, confirmed after he seeks medical attention for symptoms, prompts CTU to trace his movements and isolate him, averting further spread; Singer's custody and subsequent handling highlight the risks to populations in the pathogen release plot. Minor civilian figures, such as staff and initial victims encountered in public spaces, appear sporadically but lack named roles with significant agency, serving primarily to illustrate the threat's civilian impact without direct plot influence. Medical personnel at local hospitals, including unnamed doctors and nurses treating early cases like the Goss corpse delivery, facilitate initial diagnostics of the 's symptoms—fever, convulsions, and rapid fatality—but defer to federal protocols once CTU intervenes. These supporting elements underscore the season's emphasis on containment challenges in urban civilian settings.

Hotel and incidental characters

Craig Phillips (portrayed by Doug Savant) served as head of security at the Chandler Plaza Hotel during the events of Day 3. Around 3:45 a.m., after terrorist Michael Amador released the Cordilla virus into the hotel's ventilation system, Phillips coordinated with CTU agent Michelle Dessler to initiate a , sealing off exits and containing panicked guests to prevent spread. His team assisted in sweeping the premises, including the basement where Dessler confronted and killed virus planter Marcus Alvers. Phillips maintained order amid rising infections, which ultimately claimed hundreds of lives before decontamination, appearing across four episodes from 3:00 a.m. to 7:00 a.m. Unnamed hotel security guards and staff supported quarantine efforts, monitoring lobbies and corridors under Phillips' direction, though specific actions by individuals beyond the head of security remain undocumented in episode credits. Incidental patrons, including those gathered by Dessler under false pretenses of external threat to avoid hysteria, exhibited early symptoms like hemorrhaging; one infected guest evaded initial containment, necessitating further CTU pursuit. These minor roles underscored the rapid escalation of the bio-terror incident at the site, with no credited actors for generic guests or secondary guards.

Season 4

Defense and Heller associates

James Heller (portrayed by William Devane) served as the U.S. Secretary of Defense under President John Keeler during the events of Day 4, which unfolded from 7:00 a.m. to next 7:00 a.m. on October 7, 2005, in the series timeline. At the crisis's onset, Heller directed Jack Bauer, a former CTU agent then employed by the Department of Defense, to coordinate with the new CTU director, Erin Driscoll, amid intelligence suggesting an imminent terrorist attack. Heller's motorcade was later attacked by terrorists affiliated with Habib Marwan, leading to his abduction along with his stepson Richard; the kidnappers broadcast his forced confession to override fail-safes on a hijacked nuclear warhead from the Starkwoods Nuclear Plant, aiming to detonate it in U.S. airspace. Despite torture threats and family endangerment, Heller delayed compliance by exploiting procedural delays, buying time for rescue operations; Bauer infiltrated the terrorist compound, extracted Heller after a firefight, and ensured his evacuation before a scheduled military airstrike. Heller's defiance thwarted immediate nuclear escalation, though the warhead was later deployed elsewhere. Richard Heller (portrayed by ) was the stepson of Secretary James Heller and stepbrother to Audrey Raines, appearing in seven episodes of Day 4. A resident with a history of drug dependency and participation in anti-government protests, Richard's activities included attending meetings linked to suspicious funding transfers, which CTU investigated after tracing connections to Marwan's network. Early in the day, James Heller visited Richard's home to dissuade him from protesting a presidential event, only for both to be kidnapped in a targeted assault. Held separately, Richard endured physical coercion from captors demanding intelligence on DoD operations but provided limited cooperation due to his impaired state. Later transferred to CTU custody around 3:00 p.m., he disclosed details of a financial lead implicating a contact named Conrad, though his testimony faced skepticism owing to prior and erratic behavior. Richard was released following verification but remained peripheral, highlighting familial tensions exacerbated by the crisis.

CTU operations and infiltrators

Erin Driscoll, portrayed by , acted as the director of CTU for much of Day 4, overseeing counter-terrorism responses to imminent nuclear threats from Middle Eastern extremists. She prioritized protocol enforcement, including ordering the pursuit of after his unsanctioned actions, and managed internal crises such as analyst Sarah Gavin's suspicions of security breaches. Driscoll's leadership involved coordinating field operations with agents like Curtis Manning and analyzing intelligence on the detonation of a stolen nuclear device in , which occurred at approximately 8:00 AM. Her tenure ended amid personal revelations about her daughter Debbie's psychological issues, leading to her resignation and replacement by Michelle Dessler around 5:00 PM. Curtis Manning, played by , functioned as a senior field operative for CTU , executing high-risk missions including the extraction of Secretary of Defense James Heller from kidnappers and pursuits of terrorist leader Habib Marwan. Manning demonstrated tactical proficiency in combat scenarios, such as engaging hostiles at CTU headquarters during an around 3:00 PM, where he sustained injuries but continued operations. He later assisted in the apprehension of Marwan's associates and supported Jack Bauer's efforts to prevent additional nuclear strikes, embodying CTU's emphasis on direct intervention against terror networks. His actions underscored operational resilience, including adherence to containment protocols during the Santa Clarita train derailment involving a second nuclear device. Sarah Gavin, portrayed by , served as a communications and field coordinator analyst at CTU Los Angeles, handling logistics for operations and detecting anomalies in data streams related to the day's threats. Around midday, she grew suspicious of unauthorized access to secure systems, prompting her to alert superiors despite Director Driscoll's initial dismissal, which highlighted internal protocol tensions. Gavin's investigation into potential leaks contributed to identifying irregularities tied to broader infiltration attempts, though her efforts were cut short when terrorists stormed CTU facilities, resulting in her death by gunfire during the 2:00 PM hour assault. Her role exemplified the vulnerabilities in CTU's operational support layers amid escalating attacks. Marianne Taylor, played by , posed as a CTU analyst during early Day 4 operations, assisting in threat assessments and data verification for nuclear plot . Revealed as an infiltrator compromised by terrorist , she facilitated breaches by relaying sensitive information, including details on agent movements, which aided the adversaries' coordination of strikes like the CTU incursion. Taylor's duplicity was exposed through inconsistencies in her actions, leading to her detention; her betrayal underscored the persistent mole risks within CTU, where external coercion exploited personnel vulnerabilities to undermine counter-terrorism efficacy.

Terrorist networks and hijackers

Habib Marwan (portrayed by ) led the primary terrorist network responsible for orchestrating a series of coordinated attacks across the on Day 4, including the theft of a Soviet-made nuclear suitcase device from a cargo plane, the detonation of a on a commuter train in Santa Clarita killing over 200 people, the sabotage of a power plant causing a reactor meltdown, and the downing of . His operation utilized a loose alliance of sub-cells comprising Middle Eastern militants and recruited American insiders, enabling decentralized execution while maintaining operational security through couriers and cutouts. Marwan's strategy emphasized rapid escalation to overwhelm response capabilities, culminating in an attempt to launch a at U.S. soil from a hijacked . He evaded capture until pursued by , ultimately falling to his death from a during a confrontation at 6:00 a.m. Kalil Hasan (portrayed by ) operated as a field enforcer within Marwan's network, initially tasked with eliminating loose ends such as Andrew Paige, a involved in the power plant breach. Hasan hijacked a CTU helicopter at gunpoint around 8:45 a.m., using it to abduct hostages and later commandeered a civilian airliner (Flight 213) departing from , intending to crash it into as a . His attempt was thwarted when Bauer boarded the plane mid-flight, leading to Hasan's death by gunshot during a struggle over the controls at approximately 11:30 a.m. Mitch Anderson (portrayed by Ned Vaughn), a disgraced former U.S. Air Force pilot, was recruited as a mercenary hijacker to execute the aerial assault on Air Force One. Around 9:00 p.m., Anderson stole an F-117A Nighthawk stealth fighter from an airbase, using its advanced radar-jamming capabilities to approach undetected and fire two missiles that downed the presidential aircraft over the San Fernando Valley, forcing President John Keeler's evacuation. Bauer infiltrated Anderson's position via a mid-air transfer from a second fighter, engaging him in hand-to-hand combat; Anderson was killed when ejected from the cockpit without a parachute at around 10:30 p.m. Omar (portrayed by ) functioned as a mid-level in a sub-cell allied with the Araz family, coordinating logistics for the nuclear device's transfer and early-phase operations under Marwan's oversight. He directed Hasan in threat neutralization and managed communications with other operatives, but was killed by Araz during an interrogation attempt around 9:00 a.m. after attempting to execute her son Behrooz. Supporting operatives within Marwan's network included Rafique, who handled mission synchronization such as the train bombing execution, and , involved in perimeter security during key extractions; both were eliminated in CTU raids. American accomplices like Henry Powell provided internal access at CTU for intelligence leaks, while mercenaries such as Joe Prado facilitated arms procurement and transport. The network's structure relied on compartmentalization, with Marwan issuing orders via encrypted calls, minimizing traceability until cumulative intelligence from defectors and captures unraveled the chain.

Keeler campaign elements

John Keeler, portrayed by , is the Republican candidate who wins the 2004 after incumbent David Palmer withdraws amid a involving a of his brother Wayne's on a campaign donor's wife. Keeler appears in 12 episodes of season 4, assuming the presidency on Day 4 (January 7, 2005, in the series timeline) as terrorist attacks unfold, including the hijacking of nuclear facilities. He coordinates with CTU and authorizes city evacuations in response to threats of radiological dispersal devices, demonstrating decisive leadership under pressure. Aboard en route from to , Keeler's plane is shot down by a stolen F-117 Nighthawk fighter jet piloted by Mitch Anderson, acting on orders from terrorist leader Habib Marwan; the incident, occurring around 10:00 p.m., kills most aboard and leaves Keeler in a with severe spinal injuries, incapacitating him and elevating Charles Logan to acting president. Kevin Keeler, played by Chris Olivero, is the adult son of President John Keeler, whose mother died when he was young, leaving John to raise him. Kevin joins his father on the low-profile state visit flight aboard , appearing briefly in season 4 before the crash. He dies in the downing of the aircraft, one of approximately 40 fatalities including staff and Secret Service agents, with his body recovered alongside survivor Agent Patterson. Kevin's death underscores the personal toll of the terrorist plot on Keeler's family, though it receives limited narrative focus amid the broader crisis.

Corporate and consular figures

Cheng Zhi served as the head of security for the Chinese consulate in during Day 4. Following the unauthorized CTU raid on the consulate around 2:00 a.m., which resulted in the death of Consul Koo Yin, Cheng initiated an investigation identifying as the lead operative through surveillance footage. He demanded Bauer's extradition from the U.S. government, escalating diplomatic tensions, and later coordinated efforts to capture Bauer after CTU denied involvement. Cheng's actions contributed to strained U.S.- relations amid the nuclear threat crisis. Koo Yin was the consul general at the Chinese consulate in . During the CTU extraction operation targeting Lee Jong—a suspect linked to terrorist Marwan—around 2:00 a.m., Koo confronted the intruders and was fatally shot by Curtis Manning in amid the chaos. His death prompted immediate demands for accountability from Chinese authorities, including compensation and the handover of involved U.S. personnel. Su Ming acted as deputy consul at the facility. After the raid, Su Ming assisted in managing the diplomatic fallout, communicating with CTU and U.S. officials regarding the incident's repercussions and the consulate's security breach. Dave Conlon functioned as the director of security for McLennan-Forster, a defense contractor implicated in developing the Dobson Override device used by terrorists and employing as an engineer until 18 months prior. Around 6:00 p.m., after and Paul arrived to investigate Marwan's connections, Conlon activated an (EMP) to disable their communications and led a team of mercenaries in an attempt to eliminate them and cover up corporate ties to the plot. He was killed by Paul Raines during the ensuing confrontation at the company's headquarters. Richard McLennan headed McLennan-Forster as CEO. Informed of Marwan's terrorist involvement shortly before Bauer's arrival, McLennan authorized the EMP deployment and security response to protect the firm's reputation and conceal its role in supplying technology exploited in the day's attacks. The company's facilities were later secured by CTU following the exposure of these links.

Peripheral government and civilian roles

Mike Novick, portrayed by , serves as to President John Keeler during the events of Day 4 on January 7, 2005. Novick coordinates crisis response efforts amid escalating terrorist threats, including advising on military options and inter-agency coordination following the kidnapping of Secretary of Defense James Heller. His role involves navigating political pressures, such as decisions on public disclosures and emergency powers, appearing across multiple episodes to facilitate operations. Wayne Palmer, portrayed by , acts as a special political advisor to President Keeler, leveraging his experience from his brother David Palmer's administration. During Day 4, Wayne participates in high-level briefings on the nuclear threat posed by Habib Marwan's network, offering insights on domestic security policy and protocols after is compromised. His peripheral involvement highlights tensions between political strategy and operational imperatives in the federal response. Aaron Pierce, portrayed by Xander Berkeley, is a senior Secret Service agent assigned to presidential protection details. On Day 4, Pierce ensures the security of key officials amid relocation efforts post the downing of , demonstrating operational discipline in evacuations and threat assessments without direct engagement in CTU fieldwork. His recurring minor appearances underscore the protective apparatus supporting executive functions during national emergencies. Minor civilian figures include hikers who inadvertently aid in locating Secretary Heller after his abduction, providing critical coordinates to CTU teams early in the day. These unnamed individuals represent incidental public involvement, alerting authorities via standard emergency channels without deeper entanglement in the conspiracy.

Season 5

Bauer family and close allies

, portrayed by , serves as the central protagonist during , having spent the previous 18 months in voluntary seclusion after faking his death to evade enemies at the conclusion of Day 4. He is thrust back into the fray when assassins target him and his former colleagues, prompting his alliance with CTU to thwart a terrorist plot involving Sentox nerve gas dispersal across multiple American cities. Throughout the day, Bauer navigates betrayals within government circles, interrogates key conspirators like Christopher Henderson, and uncovers deeper machinations threatening , culminating in a direct confrontation that reveals familial ties to the plot's architects. Kimberly "Kim" Bauer, played by , is Jack's daughter and appears early in , contacting her father amid his recovery from heroin addiction in a private rehabilitation facility. Her brief involvement underscores ongoing familial concerns for Jack's safety and mental state, reflecting the personal toll of his career, though she does not participate in field operations. Graem Bauer, portrayed by , emerges as Jack's estranged brother in the later hours of , revealed as a shadowy operative directing assassinations against Bauer associates as part of a broader to cover tracks in the nerve gas scheme. His role positions him as a high-level insider manipulating events from afar, with instructions to eliminate loose ends including Jack, setting the stage for intensified family conflict in subsequent events. Audrey Raines, played by Kim Raver, acts as a close personal and professional ally to Jack, leveraging her position as Acting Secretary of Defense to provide critical support and intelligence access amid the crisis. Their collaboration evolves into a romantic relationship, with Raines risking her career to aid Bauer's off-protocol actions against internal threats.

Conspiracy insiders around Bauer

Christopher Henderson, portrayed by Peter Weller, served as Jack Bauer's former mentor and superior at CTU, having recruited and trained him during Bauer's early career in counter-terrorism operations. In , Henderson emerges as a central figure in the Sentox gas , operating as of at International while coordinating the covert sale of the weapon to Russian separatists alongside President Logan and other operatives. His of Bauer is marked by orchestrating attacks that frame Jack for former President David Palmer's assassination on October 24, 2005, and attempting to eliminate him multiple times, including a direct confrontation where Henderson shoots Bauer in the shoulder before being overpowered. Henderson's actions stem from a long-standing professional rift, exacerbated by Bauer's discovery of Henderson's involvement in prior covert operations, such as those detailed in the novel 24 Declassified: . Graem Bauer, initially presented as a shadowy anonymous conspirator and later revealed as Jack Bauer's older brother, functions as a high-level coordinator in the Sentox plot during Day 5. Operating from an undisclosed location, Graem exerts influence over President Logan, directing the nerve gas transfer to terrorists and authorizing the Palmer assassination via assassin Christopher Haas to eliminate potential leaks. His role includes monitoring Bauer's movements through intermediaries like Henderson and issuing orders to cover tracks, such as the hijacking of and subsequent missile strike. Graem's familial connection to Jack remains concealed throughout Season 5, positioning him as an embedded in Bauer's personal sphere, with his machinations exposed only in later confrontations that foreshadow Season 6 revelations.

CTU, Division, and security apparatus

Bill Buchanan, portrayed by James Morrison, served as Director of the Los Angeles Counter Terrorist Unit (CTU) during , coordinating the federal response to the Sentox nerve gas threat originating from multiple domestic sites. His leadership involved authorizing high-risk field operations and navigating internal conflicts, including temporary loss of authority to Division overseer Lynn McGill following a ; Buchanan was reinstated after demonstrating superior amid escalating attacks that decimated CTU personnel. , played by , functioned as a senior CTU intelligence analyst specializing in data decryption and surveillance support throughout Day 5. She provided critical real-time analysis for field agents, including tracking suspect movements and hacking secure networks, while surviving the nerve gas deployment that killed approximately 40% of CTU staff; her technical expertise proved indispensable in identifying patterns linked to the conspiracy despite personal trauma from colleague losses. Edgar Stiles, portrayed by Louis Lombardi, was a CTU systems analyst who handled communications protocols and threat modeling during the initial hours of Day 5. Stiles contributed to early threat assessments of the Sentox dispersal sites and attempted to mitigate the internal gas attack by manually overriding ventilation systems, ultimately perishing from exposure in the process that claimed over two dozen CTU lives around 6:00 p.m. Lynn McGill, played by , arrived from CTU Division headquarters as a supervisory agent to enforce protocol adherence amid Day 5's chaos, assuming temporary command of CTU around 11:00 a.m. under orders. His rigid enforcement of directives, including detaining personnel for security breaches, sparked tensions with Buchanan and field operatives, but McGill later redeemed his position by prioritizing containment of a gas canister breach; he was fatally shot by his own sister, who had been radicalized by terrorist demands, during the 6:00 p.m. hour.

Sentox nerve gas plotters

Christopher Henderson (portrayed by ), a former CTU director and vice president of research and development at International, played a pivotal role in supplying 20 canisters of Sentox VX nerve gas to Vladimir Bierko's Dawn Brigade. Henderson, who had overseen the gas's development for the Department of Defense, facilitated the transfer as part of a broader scheme to provoke U.S. military action against by staging domestic attacks. Graem Bauer (portrayed by ), elder brother of , directed elements of the Sentox operation from within the conspiracy's core. Operating with apparent authority over President Logan, Graem coordinated with Henderson to initiate the gas's distribution to the separatists, framing the attacks to escalate geopolitical tensions and secure oil interests in . His involvement extended to covering tracks, including attempts to eliminate Jack after he uncovered leads on the . James Nathanson (portrayed by ), a CIA operative loyal to the conspiracy, executed the on-the-ground handover of Sentox canisters to Bierko's group under orders from Michael Cummings. Nathanson's actions enabled the initial releases at facilities like the Alexandria Hospital and CTU, before he took his own life to evade on April 7, 2005.

Government officials and Russian elements

Charles Logan, portrayed by Gregory Itzin, assumes the U.S. presidency on following the downing of , which leaves predecessor John Keeler incapacitated. As , Logan coordinates the federal response to the Sentox nerve gas attacks, including authorizing military actions and navigating intrigue, though his decisions draw scrutiny for prioritizing political stability over transparency. Mike Novick, played by , acts as across 21 episodes of the season, providing pragmatic counsel to Logan on and advising against rash measures amid escalating terrorist threats. His role emphasizes bureaucratic caution, often mediating between Logan's impulses and broader administration needs. Martha Logan, portrayed by Jean Smart, serves as First Lady and grows increasingly distrustful of her husband's handling of the day's events, eventually aiding in exposing potential high-level complicity by securing evidence against Logan. Her arc highlights personal conviction overriding protocol, culminating in confrontations that strain security protocols. Aaron Pierce, depicted by Glenn Morshower, functions as a senior Secret Service agent tasked with protecting the Logan family, particularly intervening to safeguard Martha Logan and defying presidential orders when perceiving them as treacherous. Pierce's actions, including a direct accusation of against Logan, underscore loyalty to constitutional duty over personal allegiance. Vladimir Bierko, played by , leads the Dawn Brigade, a group of Russian separatists employing in coordinated attacks to disrupt U.S.- relations and extract revenge following perceived betrayals. As a billionaire financier with ties to oil and arms, Bierko escapes CTU custody mid-day, hijacks the Russian submarine Natalia, and deploys remaining canisters before being killed by Bauer, marking him as the season's primary external .

Miscellaneous federal and separatist actors

Vladimir Bierko, portrayed by , led the Dawn Brigade, a faction of Russian separatists who acquired Sentox nerve gas canisters to launch coordinated attacks across on Day 5. Bierko, a wealthy oil magnate and arms dealer, directed assaults including a train derailment releasing the gas, killing over 1,000 civilians, and an infiltration of a power plant via missile strike. After betraying his initial partner Ivan Erwich and escaping CTU custody, he seized the Russian consulate, holding 40 hostages to demand extraction, before commandeering a Russian submarine armed with nuclear missiles; killed him during the confrontation on the vessel around 6:00 a.m. Ivan Erwich, played by , was a key operative in the Dawn Brigade who facilitated the purchase of Sentox canisters from arms dealer Collette Stenger for $10 million. Erwich split from Bierko after a dispute over targeting innocents versus military sites, independently launching a nerve gas attack on a fictional power facility using a modified missile, resulting in dozens of deaths among first responders. Bierko executed him by shooting during a confrontation at a separatist hideout around 5:00 p.m. Collette Stenger, portrayed by , acted as an intermediary arms broker connecting the Russian separatists to the Sentox supplier, negotiating the canister handover at a storage facility. Captured by after a raid, she revealed details under before being killed by Christopher Henderson to silence her around 2:00 p.m. Ostroff, a minor Dawn Brigade member, executed the nerve gas deployment inside CTU headquarters, breaching ventilation systems and killing 14 personnel including Director Ernie Webb around 7:00 a.m. Anton Beresch, played by , commanded the train hijacking, detaining 51 passengers as human shields while technicians installed Sentox dispersal devices; he was subdued and killed by during the rescue operation before 8:00 a.m. Lynn McGill, portrayed by , was the Director of who assumed operational control of CTU at 4:00 p.m., implementing strict protocols amid the crisis, including dismissing field agent Curtis Manning temporarily. McGill's decisions, such as prioritizing Bierko's capture over other threats, contributed to tactical shifts but ended with his murder by his stepdaughter , who smothered him after he refused her access to secure areas around 11:00 p.m. Aaron Pierce, played by Glenn Morshower, served as a senior Secret Service agent assigned to Logan's detail, defying President Charles Logan's orders to assassinate her after discovering evidence of the administration's conspiracy involvement. Pierce protected Martha during evasion from federal pursuit and confronted Logan directly at the presidential retreat around 5:00 a.m., surviving an attempt on his life facilitated by Logan; he later aided in exposing the plot.

Season 6

Bauer family and surviving contacts

Phillip Bauer, portrayed by , serves as the father of Jack and Graem Bauer and the founder of BXJ Technologies, a defense contractor with extensive government ties. In Day 6, spanning January 14, 2007, from 5:00 a.m. to 5:00 a.m. the next day, Phillip emerges as a central antagonist, engineering aspects of the nuclear threats to safeguard a covert U.S.- oil agreement that benefits his business interests. He directs Graem's involvement in leaking suitcase nukes to terrorists and later abducts his grandson to coerce Jack's cooperation, culminating in a confrontation where Phillip stages his death via an oil rig explosion but escapes via . Graem Bauer, played by , is Jack's older brother and a key conspirator who facilitates the transfer of Russian-supplied nuclear devices to Islamist terrorists led by Abu Hamza Fayed. Revealed mid-season on January 14, 2007, as having deep family secrets, Graem attempts to eliminate Jack after their father's exposure but is subdued and fatally suffocated by Jack during interrogation at 9:00 a.m., yielding critical on Phillip's location. His actions stem from loyalty to family business dealings predating Day 5. Marilyn Bauer, portrayed by Laura Harring, is Graem's wife, Josh's mother, and Jack's former romantic partner before his marriage to Teri. On Day 6, she contacts Jack at 7:00 a.m. for protection after discovering Graem's treasonous activities, relocating to a safe house with Josh under CTU oversight; she endures threats from Graem and later aids Jack against Phillip, surviving the day's events and testifying on family involvement. Josh Bauer, played by Evan Ellingson, is the 12-year-old son of Graem and Marilyn, thus Jack's nephew. Abducted by Phillip at approximately 11:00 a.m. on January 14, 2007, as leverage in the family power struggle, Josh is held hostage on an oil rig until rescued by Jack following a rigged explosion, emerging unharmed but traumatized by the Bauer lineage's betrayals. Among Jack's surviving contacts from prior operations, , portrayed by , provides clandestine technical support as a CTU analyst, hacking systems and coordinating with Jack despite his status as a post-Chinese detention. Her assistance proves pivotal in tracking family movements and nuclear leads throughout the 24-hour crisis, drawing on their established rapport from Days 4 and 5. , previously played by , remains a motivating factor as captured associate and romantic interest, held by Chinese officials since Day 5's end in May 2005. Referenced repeatedly on Day 6, her detention influences decisions, including his post-crisis surrender to at 5:00 a.m. on January 15, 2007, in a failed exchange attempt, underscoring ongoing personal stakes amid family turmoil.

CTU, District, and federal branches

Bill Buchanan (James Morrison) directed the Los Angeles branch of the Counter Terrorist Unit (CTU) during Day 6, leading efforts to identify and dismantle a network deploying suitcase nuclear devices across major U.S. cities. He collaborated with field agents and analysts to trace radiological signatures and apprehend conspirators, including Islamic extremists and domestic insiders. Buchanan faced internal conflicts, including romantic tensions with DHS official Karen Hayes and political pressure from the , culminating in his brief detention on suspicion of before . In the day's final hour, he remained at CTU to override safety protocols and transmit critical during an impending nuclear strike on , resulting in his death. Nadia Yassir (Marisol Nichols), a CTU systems administrator of Middle Eastern descent, assumed acting directorship after Buchanan's arrest around 11:00 a.m. She authorized field operations, including Jack Bauer's pursuit of leads on nuclear caches, while navigating bureaucratic interference and personal scrutiny over her heritage amid anti-terror profiling. Yassir coordinated with federal assets to verify codes and managed CTU's defense against infiltrators, restoring order after a workplace shooting incident involving colleague Milo Pressman. Her leadership persisted until Buchanan's return, emphasizing protocol adherence despite ethical dilemmas like detaining Bauer for excessive force. Chloe O'Brian () functioned as a senior computer analyst at CTU, providing real-time data analysis on terrorist communications and device tracking throughout the 24-hour crisis. She decrypted encrypted files from captured suspects, cross-referenced satellite imagery for bomb locations in cities like Riverside and , and supported Bauer's extra-legal actions by hacking federal databases. O'Brian's personal life intersected with operations when her fiancé Morris was kidnapped and killed by terrorists, yet she maintained focus, assisting in the raid on the Juma cell's . Her technical expertise proved pivotal in verifying the neutralization of all 13 devices by day's end. Morris O'Brian (Carlo Rota), a CTU engineer and Chloe O'Brian's intermittent romantic partner, specialized in electronics and bomb-disposal support during Day 6. He analyzed detonator components from seized nukes, confirming their viability and aiding in the safe extraction of fissile material from a Riverside device around 5:00 a.m. O'Brian proposed to Chloe mid-crisis, marrying her briefly before being abducted by Abu Fayed's operatives at 2:00 p.m.; he endured torture to protect intelligence but was executed via suicide vest detonation after revealing locator data under duress. His death underscored vulnerabilities in CTU personnel security. Milo Pressman (Harold Perrineau), a CTU field operative and analyst, investigated initial radiological alerts and workplace anomalies at CTU around 7:00 a.m. He confronted a suspicious colleague in a fatal shooting, later cleared as , and assisted in tracking Gredenko's post-explosion. Pressman's efforts included verifying suspect identities like Ahmed Amar and supporting Bauer's tactics. He was assassinated by a insider at approximately 10:00 a.m. while probing inconsistencies in federal alert protocols, highlighting internal sabotage risks. Karen Hayes (Jayne Atkinson), a Department of Homeland Security (DHS) official and Buchanan's wife, intervened federally by lobbying contacts to release Buchanan from detention starting at 11:00 a.m. Drawing on her prior CTU oversight experience, she challenged Daniels' orders and facilitated intelligence sharing between DHS and CTU on links to Russian elements. Hayes' advocacy ensured continuity in counter-terror operations amid political upheaval, though her influence waned as events escalated toward presidential succession crises. No prominent District-level oversight characters, such as regional directors, directly featured in Day 6 operations, with authority centralized at CTU under Buchanan and Yassir.

Government leadership and Chinese interests

Wayne Palmer, portrayed by D. B. Woodside, is the at the outset of Day 6, having assumed office following the assassination of his brother David Palmer. Palmer authorizes the negotiated handover of from Chinese custody on January 14, 2007, after Bauer's 20-month detention stemming from the Chinese consulate raid in Season 4, amid escalating nuclear threats from Islamic terrorists. Later, after sustaining injuries from an assassination attempt, Palmer invokes the 25th Amendment, temporarily ceding power to Noah Daniels while resisting efforts to invoke it permanently against him. Noah Daniels, played by Powers Boothe, serves as Vice President and assumes acting presidential authority during Palmer's incapacitation. Daniels, previously a hawkish figure in national security, pushes for military retaliation against following Jack Bauer's unauthorized assault on the Chinese consulate to retrieve evidence of a conspiracy, heightening U.S.-China tensions over the missing circuit board component critical to the suitcase nukes. His tenure involves clashes with advisors like Tom Lennox and culminates in a constitutional standoff, where he briefly declares amid the national emergency before Palmer's recovery. Cheng Zhi, depicted by Tzi Ma, is a senior operative in Chinese intelligence, directing security at the Los Angeles consulate and advancing Beijing's strategic objectives through espionage and coercion. Having orchestrated Bauer's prior capture and torture for the Sentox nerve gas formula in Season 4, Cheng reemerges in Day 6 to exploit the U.S. crisis, ordering the CTU raid to abduct Josh Bauer for leverage in obtaining the disputed circuit board technology, which ties into Phillip Bauer's covert dealings with Chinese interests for post-crisis sanctuary. Cheng's actions, including the detention of Audrey Raines, underscore China's opportunistic pursuit of military tech amid the nuclear plot, evading direct culpability in the terrorism while fueling bilateral conflict.

Terrorist cells and tech conspirators

Abu Fayed, portrayed by Adnan Hneide, commanded the primary terrorist cell active during the early hours of Day 6, orchestrating prior suicide bombings that claimed over 200 lives across multiple cities and escalating to deployments of Sentox nerve gas canisters at infrastructure targets including a power substation and hospital. His motivations included ideological extremism compounded by personal vendetta against , stemming from Bauer's killing of Fayed's father in a prior operation. Fayed coordinated cell logistics, including prisoner exchanges for Bauer and gas dispersal via disguised vehicles, before being captured and executed by Bauer through strangulation with an industrial chain at approximately 10:00 p.m. Supporting operatives in Fayed's cell included Hasan, a subordinate who handled vehicle-based transport of weapons and explosives to safe houses under Fayed's direct orders. Hasan facilitated early-stage movements critical to positioning suicide attackers and gas assets, though his role was limited to non-leadership execution. The cell relied on compartmentalized structure, with members like Hasan embodying disposable foot soldiers deployed for high-risk tasks amid escalating CTU interdictions. Kozelek , played by , served as a technical operative in the broader , specializing in cyber intrusions to neutralize and communications threats aligned with terrorist objectives. Active from onward, he hacked federal databases and CTU feeds under directives from higher conspirators, including efforts to obscure asset locations and eliminate digital traces during abduction operations targeting Bauer members. Kozelek wielded firearms in field support roles, such as securing , and was killed in a with Bauer around 3:00 p.m. after his hacks failed to prevent CTU tracing.

Detention and Russian state figures

Anatoly Markov, portrayed by John Noble, was the Russian consul in Los Angeles during Day 6. Infiltrating the consulate around 5:00 p.m., Jack Bauer detained and tortured Markov to extract the location of Dmitri Gredenko, a supplier of Russian suitcase nukes to terrorists; Markov disclosed Gredenko's hideout in Shadow Valley before Russian guards arrested Bauer. The incident prompted Russia to demand Bauer's extradition from the U.S. government, escalating diplomatic friction amid the nuclear threat. Unnamed Russian consulate security personnel briefly detained Bauer following the interrogation of Markov, reflecting standard protocol for unauthorized intrusions on sovereign territory. These guards coordinated with U.S. authorities for Bauer's handover but faced complications as CTU extracted him covertly around 6:00 p.m. The event underscored Russian state protectiveness over diplomatic premises, though no further named state figures directly engaged in the detention sequence. Russian diplomatic communications post-raid involved high-level pressure on President Wayne Palmer's administration, attributing the breach to U.S. desperation over Gredenko's attacks, but specific envoys beyond Markov remained off-screen. This subplot highlighted causal tensions from rogue ex-KGB elements like Gredenko intersecting with official Russian channels, without of state complicity in the .

Supporting and incidental personnel

Rita Brady (Missy Crider) served as the girlfriend of black market dealer Darren McCarthy, assisting in the sale of a nuclear suitcase to terrorists before killing McCarthy to seize the $5 million payment. She later confronted Abu Fayed demanding additional funds, resulting in her execution by neck snapping. Ray Wallace (Raphael Sbarge) was a civilian father manipulated by adolescent terrorist associate Scott Marshall under Ahmed Amar's direction to transport a package containing a radiological trigger component disguised as a football. The device detonated prematurely during delivery, killing Wallace via explosion. Additional incidental personnel included various unnamed CTU medical technicians and paramedics who provided emergency care to immediately after his release from five years of Chinese detention, assessing for physical trauma and administering sedatives amid his withdrawal symptoms. Security aides and federal transport staff facilitated Bauer's extraction and relocation to CTU , operating under FBI oversight during the initial nuclear threat response.

24: Redemption and Season 7

Bauer allies and African operations

Carl Benton (portrayed by ) served as Jack Bauer's longtime friend and former U.S. colleague, operating the Okavango School for war orphans in the fictional African nation of Sangala during the events depicted on December 6, 2008. Benton collaborated with Bauer to protect children from forced recruitment by rebel forces under lieutenants Iké and Youssou Dubaku, acting on orders from General Benjamin Juma to bolster their ahead of Sangala's elections. Despite U.S. consular directives to evacuate American personnel, Benton supported Bauer's defiance to prioritize civilian safety, leading a group of children toward camps. Captured by Dubaku's troops, Benton endured but refused to disclose Bauer's location, resulting in his execution by . Bauer's African operations centered on countering the Sangalan rebels' child campaign, which aimed to destabilize Ule Matobo's government and secure Juma's coup. While primarily solitary after Benton's death, Bauer briefly allied with local refugees and a young conscripted boy during his escape from rebel custody, using improvised tactics to neutralize pursuers and reach a U.S. extraction point. These efforts exposed the rebels' reliance on coerced minors, estimated at thousands, for frontline assaults and logistical support in Sangala's civil conflict. Bauer's actions, though unauthorized, delayed the rebels' advance on the capital, Mali Baso, until his forced return to the for congressional testimony.

FBI and domestic security teams

Special Agent in Charge Larry Moss () leads the FBI's Washington Field Office during Day 7, coordinating the response to multiple terrorist threats after CTU's dissolution. He initially resists involving due to Bauer's fugitive status but authorizes Walker's partnership with him to locate a key suspect. Moss is killed around 5:00 p.m. by assassin Ronald Blanco, acting on orders from a shadowy conspiracy to eliminate Bauer allies. (Annie Wersching) serves as a dedicated under Moss, tasked with interrogating Bauer upon his extradition from Sangala. She evolves into Bauer's primary collaborator, accompanying him on high-risk operations to dismantle a circuit board smuggling ring and later confronting Juma's invasion forces at the . Walker's moral boundaries erode as she tortures suspects and defies orders, culminating in her going undercover to infiltrate a mercenary network. FBI analyst Janis Gold (Janeane Garofalo), confined to a wheelchair from a prior injury, provides critical technical expertise, including hacking support and threat analysis, often clashing with colleagues over protocol adherence. She uncovers internal leaks, such as Hillinger's betrayal, and aids in tracing bioweapon shipments despite personal risks from agency infighting. Analyst Sean Hillinger (Rhys Coiro) assists in data monitoring but is revealed as a mole around 2:00 p.m., leaking intelligence to Benin operatives under Colonel Ike Dubaku's influence for personal gain, including an affair complicating his cover. He is arrested after Gold exposes his circumvention of FBI lockdowns to access classified circuits. Minor agents, such as Agent Reynolds, support field operations like perimeter security during the Juma assault, while unnamed personnel handle Bauer's transport from in the Season 7 premiere and routine surveillance tasks.

Government officials and regime threats

is the , portrayed by , who first appears in 24: Redemption managing the in the fictional African nation of Sangala amid an impending coup by Benjamin Juma. During Day 7, set approximately one year and ten months later on January 20, 2009, she confronts multiple domestic threats, including a mercenary invasion of the by Juma's forces that results in her husband Roger Taylor's death and her temporary invocation of the 25th Amendment. Taylor prioritizes brokering a peace accord between the and the of Kamistan despite personal losses and internal betrayals, ultimately sacrificing her administration's legacy to expose corruption. Ethan Kanin, played by , serves as to President Taylor, drawing on his prior experience as Secretary of Defense under President Wayne Palmer. In Day 7, he coordinates responses to the Starkwood bioweapon crisis and the Dubaku conspiracy, which involves a breach of government infrastructure via the CIP firewall, but resigns after clashing with Taylor over ethical decisions regarding Jack Bauer's methods and the handling of leaks. Tim Woods, portrayed by Frank John Hughes, holds the position of Secretary of Homeland Security within the Taylor administration. He advises on counterterrorism operations, including the recovery of prion canisters from Starkwood and the containment of the Juma-led assault on federal facilities, emphasizing rapid deployment of emergency protocols to mitigate widespread pathogen dispersal. Olivia Taylor, the President's daughter played by Sprague Grayden, initially works as a private consultant before assuming the role of acting White House following Kanin's resignation. She emerges as a key internal threat to the regime by orchestrating a covert with Starkwood CEO Jonas Hodges, commissioning the of U.S. Senator Blaine Mayer on January 20, 2009, at around 6:00 p.m. to suppress of complicity in covering up Roger Taylor's , which stemmed from his involvement in a scandal related to their son Roger Jr.'s death. Her actions escalate to sabotaging the U.S.-Kamistani peace process, prioritizing familial protection over national interests, until her plot is uncovered by Jack Bauer and Renee Walker.

Sangala regime and Starkwood militia

Benjamin Juma (Tony Todd) led the Sangala regime as a who orchestrated a violent coup in the fictional African nation of Sangala, employing child soldiers and brutal conscription tactics during the events of 24: Redemption set on January 20, 2009. His forces attacked a school and orphanage overseen by , aiming to abduct children for military use amid a power struggle that displaced the legitimate government. Juma's regime received arms shipments from the Starkwood , enabling his expansionist ambitions, which extended to a later of the during Day 7 of the series. Estimated to be responsible for at least 300,000 deaths through genocidal policies and warfare in Sangala, Juma represented one of the series' most prolific fictional mass murderers. Iké Dubaku (Hakeem Kae-Kazim), a in the Sangala , collaborated closely with Juma in orchestrating the U.S. incursion during Day 7, leveraging insider access through romantic entanglement with Karen Hayes to facilitate the attack. Positioned as a tactical enforcer, Dubaku's actions in Sangala's civil unrest preceded his role in the domestic conspiracy, underscoring the 's hybrid of African insurgent tactics and international subversion. Jonas Hodges (Jon Voight), chief executive officer of Starkwood, a powerful private military contractor, supplied weapons to Juma's Sangala forces starting prior to 24: Redemption, fostering the regime's instability to advance Starkwood's geopolitical leverage. During Day 7, Hodges escalated Starkwood's involvement by acquiring and deploying a prion-based bioweapon on U.S. soil, intending to coerce government concessions on military contracts and deregulation through threats of mass casualties at locations like Alexandria, Virginia. His militia, comprising ex-military operatives, fortified Starkwood's compound in Virginia and executed field operations, including the kidnapping and interrogation of CTU agent Tony Almeida. Hodges' corporate-military fusion exemplified privatized warfare, culminating in his suicide to evade capture after bioweapon dispersal failed. Gregg Seaton (David Agranov), a senior executive at Starkwood, functioned as Hodges' primary operational , coordinating for arms transfers to Sangala and the bioweapon program's concealment within the company's facilities. Seaton directed Starkwood militia responses during FBI raids on the compound, including defensive perimeters and asset relocation, while feigning cooperation to mislead investigators before defecting fully to Hodges' scheme. His role highlighted internal hierarchies in private militias, where corporate oversight masked paramilitary aggression against federal authority.

Covert bioweapon networks

Alan Wilson, portrayed by , emerges as the principal architect of the covert bioweapon network during Day 7, directing the development and deployment of a variant —a modified, non-transmissible form of Creutzfeldt-Jakob engineered to induce seizures, , and death within days. Commissioning Starkwood Industries to produce the in canisters for potential mass release, Wilson's organization sought to exploit crises for influence over U.S. policy, including pressuring the government toward of defense contracts. His network's operations involved coordinating with corporate entities like Starkwood while maintaining , culminating in Wilson's interrogation by FBI Agent after the pathogen's interception. Greg Seaton, played by , functioned as a key operational within the network's Starkwood affiliate, overseeing for the bioweapon canisters and liaising with intermediaries like . Seaton provided deceptive to federal forces, such as a false warehouse location, to safeguard the pathogen's transport and deployment preparations at Starkwood's compound. Following the FBI raid on Starkwood, Seaton was detained alongside Jonas Hodges, exposing the interplay between the overt elements and the underlying covert orchestration. Samantha Roth, portrayed by Carly Pope, served as an embedded operative for Wilson's cabal, infiltrating federal proximity through her association with Almeida to facilitate canister theft and sabotage recovery efforts. Her role included attempting to assassinate to eliminate threats to the bioweapon's proliferation, underscoring the network's use of proxies for deniable operations. Roth's actions aligned with the organization's broader strategy of manipulating insiders to advance the pathogen's strategic release, though her efforts were thwarted amid escalating federal intervention.

Miscellaneous federal and civilian elements

Frank Trammell served as the Chief Political Officer at the Embassy in the fictional nation of Sangala during the events depicted in 24: Redemption. He interacted with by attempting to serve him a congressional ordering his return to the to testify before a select committee investigating government overreach, reflecting bureaucratic federal oversight amid Bauer's humanitarian efforts in . Trammell prioritized diplomatic protocol and U.S. legal obligations over the immediate crisis of child soldiers and regime instability. Tim Woods acted as the Secretary of in President Allison Taylor's administration throughout Season 7. He coordinated federal responses to the bioweapon threat posed by the prion variant pathogen, including advising on emergency protocols and managing inter-agency efforts to contain Starkwood's operations. Woods demonstrated pragmatic decision-making, such as briefing Taylor on containment strategies and supporting military actions against private militia threats. Michael Latham was a federal security specialist who assisted in Season 7 by providing expertise on protection, including efforts to breach secure systems related to the pathogen distribution network. Recruited amid the FBI's investigation, Latham's technical skills supported operations against covert networks, though his role ended abruptly due to an detonation.

Season 8

Bauer family and tactical support

() appears briefly in the first episode of Season 8, marking her return after an absence in prior seasons. As Jack Bauer's daughter, she hosts him at her home during the afternoon of Day 8, where he expresses intent to relocate abroad for a quieter life following years of trauma. Kim notices Jack's deteriorating health—manifesting as tremors and collapse from residual effects of a variant exposure in Season 6—and insists on immediate medical evaluation, summoning a doctor despite his reluctance. Her role underscores familial concern amid Jack's pull back into crisis, though she remains peripheral and uninvolved in the escalating nuclear threats. Renee Walker (Annie Wersching), a seasoned FBI agent suspended after Season 7 controversies, emerges as primary tactical ally in Season 8, collaborating on unsanctioned operations across 12 episodes. Reinstated informally, she aids Jack in high-risk field actions, including infiltrating arms dealers, conducting aggressive interrogations of suspects linked to Russian uranium sales, and pursuing Kamistani conspirators. Walker's proficiency in combat, surveillance, and improvisation complements Jack's methods, as seen in joint raids and extra-legal tactics to avert radiological attacks on . Her partnership evolves from professional deference to personal resolve, though it strains under ethical dilemmas and external pressures from CTU and federal oversight.

CTU New York and field agents

Brian Hastings served as the director of CTU New York during Day 8, overseeing responses to threats against the U.S.-Kamistani peace accord, including nuclear material proliferation and assassinations. Portrayed by , Hastings was characterized as a sharp-minded administrator with an MBA background, often prioritizing protocol over improvisation, which led to conflicts with . He authorized field operations against suspected terrorists and managed internal investigations into leaks, though his decisions, such as initially detaining Bauer, drew criticism within the narrative for hindering rapid threat mitigation. Cole Ortiz, played by Freddie Prinze Jr., functioned as CTU New York's Director of Field Operations, directing tactical teams in pursuits and raids amid the day's escalating crises from 4:00 p.m. onward. A former Marine, Ortiz coordinated responses to arms deals involving and supported inter-agency efforts with the FBI, including operations at the New York Exchange and hostage recoveries tied to the Hassan kidnapping. His arc involved initial adherence to Hastings' orders, such as confronting Bauer, but evolved into aiding unauthorized actions upon uncovering CTU moles and higher-level conspiracies, culminating in his and assistance in exposing Russian involvement by 10:00 a.m. the following day. Arlo Glass, portrayed by Joel Bissonnette, operated as a CTU analyst specializing in and , tracking suspect movements via CCTV and hacking into compromised systems during the nuclear rod heist investigations. Janis Gold, played by , served as a senior analyst, leveraging her expertise in data analysis despite physical limitations from a prior injury, contributing to threat assessments for the peace summit security. Both analysts supported field ops by providing real-time intel, though Gold's interpersonal tensions with Glass highlighted internal CTU dynamics under pressure. Dana Walsh, acted by Katee Sackhoff, worked as an IT specialist at CTU New York, handling communications intercepts and database queries central to unraveling the day's plots. Her role involved falsifying records to protect co-conspirators in a covert network supplying weapons-grade material, actions that compromised CTU efforts until her exposure and elimination by Bauer around 7:00 a.m.

Government hierarchy and Kamistani elements

President Allison Taylor serves as the President of the United States during the events of Season 8, directing the federal response to terrorist threats while advancing a peace accord with the Islamic Republic of Kamistan (IRK) amid escalating crises involving nuclear materials and assassinations. Her daughter, Olivia Taylor, acts as White House Chief of Staff, wielding significant influence over policy decisions and internal administration dynamics, including efforts to suppress evidence of government complicity in the unfolding conspiracy. Tim Woods functions as National Security Advisor, coordinating intelligence assessments and military responses to the IRK-related threats, particularly the smuggling of nuclear fuel rods. Ethan Kanin, returning as a special advisor after prior roles in the administration, provides counsel on diplomatic and ethical dilemmas surrounding the peace process and betrayals within Taylor's inner circle. Rob Weiss operates as a senior aide in the , later assuming expanded responsibilities in communications and , including interactions with external actors tied to the Russian conspiracy. Former President Charles Logan reemerges from prior seasons to manipulate events covertly, leveraging his connections to orchestrate cover-ups and pressure Taylor's administration over the nuclear plot's exposure. Aaron Pierce, a veteran Secret Service agent, protects Taylor and navigates loyalty conflicts amid assassination attempts and internal intrigue. In the IRK delegation, Omar Hassan leads as President, traveling to the to sign the anti-terrorism treaty, only to confront domestic radical elements and external Russian interference aiming to derail the agreement. His wife, Dalia Hassan, initially as , assumes interim presidential duties following Omar's death, prioritizing the treaty's survival despite personal losses and geopolitical fallout. Tarin Faroush, Hassan's National Security Advisor, betrays her position by aligning with domestic extremists, orchestrating kidnappings and attacks to sabotage the peace initiative from within the IRK contingent. Farhad Hassan, Omar's brother, collaborates with Russian operatives to facilitate the nuclear rod transport back to Kamistan, driven by opposition to the treaty and ideological radicalism.

Russian and mercenary operatives

Mikhail Novakovich, portrayed by , served as the Russian Federation's Foreign Minister and a key conspirator in the plot to derail the U.S.-Kamistan by supplying rods to radical elements. He coordinated covertly with domestic operatives to frame the for radiological attacks on , aiming to provoke international backlash against the accord. Novakovich ordered assassinations, including that of , and was ultimately killed by during a confrontation at his residence around 2:00 p.m. Sergei Bazhaev, played by , was the aging leader of the criminal syndicate, a Russian-Ukrainian network operating in that handled the storage and transfer of the smuggled fuel rods on behalf of Russian interests. He reluctantly accepted the rods from Russian intermediaries, stashing them at his waterfront facility, but faced internal betrayal after ordering the execution of his son for mishandling a radiological exposure incident. Captured by following a raid around , Bazhaev succumbed to injuries sustained in the ensuing gunfight and torture attempt by his own son. Josef Bazhaev, portrayed by , was Sergei Bazhaev's ambitious elder son and a lieutenant in the syndicate who double-crossed his father to advance the terrorists' agenda. Motivated by personal gain and ideological alignment with the Kamistani radicals, he facilitated the handover of the fuel rods to Mehran's cell after killing Bazhaev under orders and attempting to eliminate Sergei. Josef's defection included poisoning Sergei during captivity and fleeing with syndicate resources, but he was tracked and killed by Bauer in a brutal hand-to-hand confrontation amid the rod transfer operation. Pavel Tokarev, a Russian intelligence operative undercover as an FBI agent, acted as the on-ground coordinator for the conspiracy, managing domestic assets including CTU analyst Dana Walsh as a mole. He posed as to extract information and eliminate threats, such as staging an attack on Walsh's former associate to cover tracks. Tokarev's role extended to low-level enforcement, including abductions and hits tied to the rod proliferation, until his exposure led to a fatal shootout with Bauer and allies. Vladimir Laitanan, a ruthless enforcer within New York's Russian underworld, operated as a contact facilitating arms and for the Bazhaev syndicate's dealings with the rods. He intimidated associates and clashed violently with Bauer during investigations into the radiological crisis, embodying the freelance criminal muscle supporting state-backed operations. Laitanan was eliminated in a warehouse ambush amid efforts to seize syndicate assets. Minor Russian operatives, including unnamed henchmen and assassins deployed by Novakovich, conducted surveillance, extractions, and retaliatory strikes, such as the targeting Bauer after Walker's murder. These figures, often from intelligence or syndicate backgrounds, numbered in small teams and were equipped for urban combat, underscoring the hybrid state-criminal apparatus behind the day's threats.

Peace summit attendees and enablers

(portrayed by ) served as the in Day 8, spearheading the multilateral peace treaty negotiations at the to curb by the Islamic Republic of Kamistan. Despite terrorist attacks, the kidnapping and murder of her Kamistani counterpart, and internal conspiracies, Taylor prioritized the accord's completion, even enlisting former President Charles Logan to secure Russian participation. Omar Hassan (portrayed by ) was the President of the of Kamistan (IRK), arriving at the UN for the treaty signing on January 24, 2010 (in-universe timeline), after months of diplomacy with Taylor to dismantle IRK nuclear capabilities. Opposed by domestic extremists and foreign agents, Hassan surrendered himself to hostage-takers to avert a radiological attack on but was executed mid-crisis, derailing the initial signing. Dalia Hassan (portrayed by ), wife of Omar Hassan and a former , stepped in to represent IRK interests at the UN following her husband's assassination around 11:00 a.m. She collaborated briefly with Taylor to salvage the but withdrew Kamistan upon uncovering Russian orchestration of the murder, citing irreparable betrayal. Yuri Suvarov was the President of the Russian Federation, whose government co-sponsored the ; he proceeded to the UN signing ceremony around 2:00 p.m. despite disruptions, initialling the document alongside Taylor after Dalia's exit, unaware of rogue elements in his administration enabling the anti-treaty plot. Olivia Taylor (portrayed by ), daughter of President and , facilitated summit logistics and crisis response, advocating for continuity of the peace process amid family strains and assassination attempts on delegates. Her role included coordinating with CTU and FBI for UN security, though she later pursued personal vendettas complicating the administration's efforts. Rob Weiss, serving as a senior advisor, supported Taylor's treaty push by managing communications and advising on responses to IRK family dynamics and Russian reluctance, helping maintain diplomatic momentum until the cover-up revelations.

Peripheral international and domestic figures

Kim Bauer is the daughter of protagonist and appears briefly as a peripheral domestic figure during Day 8, set on February 18, 2010. Concerned for her father's safety after he defies authorities to pursue leads on a conspiracy, she contacts him via phone and meets in person around 5:00 p.m. to urge surrender, revealing her and emphasizing the personal risks to their family. Her role underscores the collateral impact of counter-terrorism operations on civilians, with no direct involvement in field actions or government decisions. Other domestic peripherals include minor medical personnel aiding injured parties, such as Dr. Simon, who treats gunshot victims amid the crisis but lacks narrative centrality. These figures represent everyday Americans inadvertently entangled in events, providing logistical support without strategic influence. International peripherals are limited, primarily unnamed diplomats or aides at the UN peace summit periphery, facilitating logistics for dignitaries from non-Kamistani nations but not advancing the plot's core conflicts. No prominent named international non-combatants outside established factions appear, reflecting the season's focus on U.S., Russian, and Kamistani spheres.

24: Live Another Day

Bauer and immediate collaborators

Jack Bauer (Kiefer Sutherland) serves as the central operative in 24: Live Another Day, a fugitive counter-terrorism expert who has evaded U.S. authorities for four years following events in Season 8. Operating in on May 24, 2014, Bauer uncovers a plot involving hacked U.S. drones and intervenes to prevent attacks orchestrated by Margot Al-Harazi, while also navigating threats to President James Heller during a peace summit with . His actions include torturing suspects for intelligence and coordinating off-the-books operations to thwart nuclear and drone strikes, culminating in a confrontation with Cheng Zhi that results in Bauer's voluntary surrender to Russian authorities in exchange for a . (), Bauer's longtime technical analyst from prior CTU service, provides critical hacking and intelligence support throughout the day. Radicalized after the presumed drone strike death of her husband and daughter, O'Brian has joined the anti-government hacker group Open Cell but prioritizes collaboration with Bauer to dismantle the Al-Harazi terror network and expose CIA moles. She assists in decrypting drone override codes, guiding Bauer to key locations, and is ultimately captured by Russians before Bauer trades himself for her release in the finale. Belcheck (Branko Tomović), a Serbian fixer and former associate of arms dealer Ransick, emerges as Bauer's field operative ally after Bauer eliminates Ransick. Belcheck supplies weapons, transportation, and combat support, participating in raids on Al-Harazi compounds and aiding Bauer's escape from CIA custody. His loyalty proves pivotal in the season's climax, where he helps extract Bauer and O'Brian amid Russian involvement. Kate Morgan (Yvonne Strahovski), a CIA case officer stationed in , initially leads the pursuit of Bauer upon his sighting but shifts to alliance after suspecting her superior Steve Navarro's . Morgan collaborates with Bauer on infiltrating terror cells, disarming threats, and confronting internal betrayals, leveraging her field skills and access to CIA resources despite her demotion following her husband Adam's exposure as a traitor. Her partnership with Bauer solidifies during joint operations to safeguard the U.S. president and neutralize drone hijackings.

CIA London station and analysts

Steve Navarro (Benjamin Bratt) functioned as the station chief of the CIA's outpost during the crisis events of 24: Live Another Day, set in 2014. He oversaw the agency's pursuit of following Bauer's capture in and coordinated responses to escalating threats involving hijacked U.S. drones. Navarro's directives influenced field operations and , though his decisions drew scrutiny from subordinates amid operational setbacks. Ultimately, evidence emerged of his covert collaboration with terrorist elements, leading to a fatal shootout with Bauer on May 20, 2014 (in-universe timeline). Kate Morgan (Yvonne Strahovski) operated as a at the CIA station, motivated by the recent apparent of her husband, Adam Morgan, a disgraced former CIA officer. Stationed in , she interrogated Bauer upon his on May 20, 2014, and pursued leads questioning official narratives around her husband's death, which intersected with the drone terror plot. Morgan's fieldwork included pursuits across and alliances formed under duress, contributing to disruption of the attacks despite personal risks and institutional distrust. Her actions highlighted tensions between loyalty to protocol and independent judgment in high-stakes . Jordan Reed (Giles Matthey) served as an intelligence analyst and communications specialist within the CIA station, focusing on digital surveillance and data decryption amid the Bauer manhunt and drone hijackings. As a core technical operative, Reed supported tracking efforts and analyzed , placing him in during investigations into compromised networks on May 20-21, 2014. His role emphasized the analysts' frontline exposure to cyber threats in the evolving plot, culminating in life-threatening confrontations tied to internal betrayals. Erik Ritter (Gbenga Akinnagbe) acted as a lead tactical field operative for the CIA team, executing high-risk extractions and enforcements under Navarro's command. Deployed for operations including Bauer's initial containment and responses to terror incidents in on May 20, 2014, Ritter's aggressive approach reflected the station's capabilities. His involvement extended to direct engagements with adversaries, underscoring the blend of analytical and kinetic elements in the station's structure during the 12-hour crisis window.

U.S. and U.K. government principals

James Heller, portrayed by , serves as the during the events depicted in 24: Live Another Day, set on May 24, 2014. Previously the Secretary of Defense, Heller travels to to negotiate a with aimed at curbing U.S. drone strikes, amid public backlash against their use. Suffering from , which progressively impairs his judgment, Heller becomes the primary target of a terrorist plot involving hijacked U.S. drones, orchestrated to frame him for an assassination attempt. He authorizes extreme measures, including overriding drone safeguards, and ultimately confronts the personal costs of his decisions, including tensions with his daughter and her husband Mark Boudreau. Mark Boudreau, played by , acts as to President Heller and is married to Heller's daughter, Audrey Raines. Tasked with protecting the president's agenda, Boudreau forges Heller's signature on an order to extradite to , exposing himself to by terrorist Margot Al-Harazi, who demands access to drone override codes. His actions stem from a desire to shield Heller's deteriorating health from public scrutiny and to prioritize family loyalty, leading to conflicts with Bauer and CIA operatives; he later redeems himself by aiding in counter-terrorism efforts despite personal risks. Alastair Davies, portrayed by , is the of the , hosting President Heller during the London peace summit. Davies faces pressure to balance alliance with the U.S. against domestic outrage over drone strikes conducted from British soil, culminating in his authorization to shoot down a hijacked U.S. drone menacing London landmarks. His role underscores transatlantic tensions in counter-terrorism policy, as he navigates revelations and the fallout from the drone hijacking plot.

Open Cell hackers and insiders

Adrian Cross served as the founder and leader of Open Cell, a hacktivist collective aimed at exposing governmental misconduct through the release of . During the events of 24: Live Another Day, Cross developed a defense override module that enabled the hijacking of U.S. military drones, which he supplied to CIA mole Steve Navarro for use in a terrorist plot targeting . His motivations stemmed from a of radical transparency, though his actions facilitated attacks that caused significant casualties. Cross, portrayed by , maintained a romantic relationship with while directing Open Cell's operations from a hideout. Derrick Yates, a former Open Cell operative and British , had previously infiltrated U.S. systems to hack a drone, resulting in the deaths of four American soldiers—an incident that led to his departure from the group. By Day 9, Yates had gone rogue, hiding in a council estate protected by local criminals, and became entangled in the assassination attempt on President James Heller, drawing pursuit from . Portrayed by , Yates represented the volatile fringe of Open Cell's network, where individual actions could diverge from the group's collective goals. Open Cell's structure included additional unnamed hackers operating from secure locations, contributing to cyber intrusions and data leaks, though their specific roles remained subordinate to Cross's oversight. The group's insiders extended to compromised assets like Navarro, who funneled intelligence back to , underscoring Open Cell's reliance on infiltration rather than purely external hacking. These elements highlighted the organization's dual nature as both ideological crusaders and enablers of escalated threats.

Drone assault coordinators

Margot Al-Harazi served as the primary coordinator of the drone assaults, directing a terrorist cell that hijacked U.S. military drones to target infrastructure and political figures, including President James Heller. Her operations exploited a drone override acquired through intermediaries, enabling of at least six drones armed with Hellfire missiles. Al-Harazi, a British convert to radical , framed the attacks as retribution for her husband's death in a 2012 U.S. drone strike she attributed to Heller's authorization. Simone Al-Harazi, Margot's daughter, functioned as a field operative and secondary coordinator, executing on-ground support for the aerial strikes, including the elimination of witnesses and the procurement of targeting data. She participated in attacks to facilitate drone positioning and personally pursued objectives like assassinating Heller during his public speech at . Simone's role extended to interrogating captives for intelligence on U.S. countermeasures, demonstrating her integration into the cell's tactical planning. Ian Al-Harazi, Margot's son, contributed to initial coordination efforts before his death early in the operation, handling logistics such as securing the override device from a targeted engineer. His involvement included on-site enforcement during the cell's acquisition of hacking tools, though his tenure was cut short by confrontation with . The cell employed additional unnamed henchmen for perimeter security and at their rural British command post, but Al-Harazi family members directed the core assault sequencing.

Russian and miscellaneous foreign actors

Cheng Zhi, portrayed by Tzi Ma, is a former Chinese consulate official turned terrorist operative who masterminds the season's central conspiracy to provoke a U.S.-China war. Having previously collaborated with Islamic extremists in earlier crises, Cheng manipulates Open Cell hackers into developing a drone override device, then eliminates them to cover his tracks. He deploys the technology via proxies to hijack American drones for attacks on and a Chinese vessel, framing the U.S. to incite nuclear escalation. Captured by after a confrontation aboard the Letitcia, Cheng attempts to detonate a nuclear device but is killed by Bauer in self-defense. Russian operatives, seeking retribution for Jack Bauer's assassination of President Yuri Suvarov years prior, pursue Bauer throughout the events. In the finale, they intercept Bauer and during an exchange, capturing Bauer in exchange for O'Brian's release after he eliminates Cheng Zhi. Lead agents, including those played by and Ingo Raudkivi, coordinate the operation from , reflecting ongoing Russo-American tensions stemming from prior covert actions. A Russian , portrayed by Jadran Malkovich, appears in supporting roles amid the chaos. These actors underscore foreign state interests in exploiting U.S. vulnerabilities, with Cheng's scheme leveraging proxy and Russian elements driven by personal vendettas against Bauer.

24: Legacy

Carter family and military associates

Eric Carter, portrayed by , serves as the central protagonist of 24: Legacy. A former U.S. Ranger , Carter led an elite squad on a classified mission in approximately six months prior to the series' events, where they assassinated terrorist leader Sheik Ibrahim Bin-Khalid and recovered a containing encrypted data on potential U.S. terrorist recruits. Post-mission, he retired to civilian life as a under , residing in with his family, but the operation's fallout draws Bin-Khalid's vengeful followers to him, forcing Carter to evade assassins while safeguarding the 's secrets. His military expertise, including tactical combat and honed in Ranger service, drives his efforts to neutralize the escalating threats amid personal betrayals. Nicole Carter, portrayed by Anna Diop, is Eric Carter's wife and a key family member targeted alongside him. Living under the alias Natalie Cooper for protection, she manages household and family responsibilities in their suburban home, which becomes the site of an initial assault by Bin-Khalid's operatives seeking revenge and . Her past romantic involvement with Eric's brother complicates family dynamics, contributing to underlying tensions, though she remains supportive of Eric's defensive actions throughout the crisis. Isaac Carter, portrayed by Ashley Thomas, is Eric's estranged older brother and a local drug kingpin operating in the , area. Harboring deep resentment toward Eric stemming from their shared history—including Isaac's prior relationship with Nicole, whom Eric later married—Isaac operates independently but intersects with the plot through criminal networks that overlap with the terrorist pursuit of . His bitterness manifests in mocking Eric's and pursuing personal vendettas, positioning him as a familial amid the broader . Ben Grimes, portrayed by , functions as Eric Carter's primary military associate from the Yemen raid. A fellow U.S. Army Ranger, Grimes survives the mission alongside Eric as one of the squad's only living members but grapples with severe upon returning stateside. He initiates contact with Eric early in the series to warn of the terrorist backlash but harbors self-interested motives tied to the strongbox's contents, leading to conflict and his eventual demise in a confrontation revealing layers of the operation's fallout.

CTU and counter-terrorism units

Keith Mullins, portrayed by , served as the Director of the Counter Terrorist Unit (CTU) in , during the terrorist threat depicted in 24: Legacy, which aired from February 5 to April 17, 2017. Appointed after the unit's revival, Mullins oversaw operations amid a plot involving a rogue cell activating sleeper agents across the U.S., coordinating field responses and internal security protocols. His leadership emphasized rapid intelligence analysis and inter-agency collaboration, though tensions arose from political pressures and internal suspicions. Rebecca Ingram, played by Miranda Otto, was the former National Director of CTU prior to the events of 24: Legacy, having stepped down to pursue a political as a U.S. Senator's . Despite her departure, Ingram provided critical advisory support during , leveraging her expertise in counter-terrorism strategy to guide the unit's efforts against a impending attack linked to a high-value terrorist's kill list. Her involvement highlighted ongoing CTU challenges, including resource constraints following the agency's post-Season 8 disbandment and revival. Andy Shalowitz, enacted by Dan Bucatinsky, functioned as a communications analyst at CTU National Headquarters. Specializing in decryption and network surveillance, Shalowitz played a key role in tracing digital footprints of terrorist communications and hacking attempts during the 12-hour real-time narrative spanning 5:00 p.m. to 5:00 a.m. His technical proficiency aided in identifying sleeper cell activations, though personal entanglements occasionally complicated operations. , portrayed by , operated as another CTU communications analyst alongside Shalowitz. She contributed to real-time monitoring of threat vectors, including feeds and encrypted signals, supporting the unit's response to coordinated attacks on U.S. . Gia's role underscored the analyst team's reliance on collaborative tech-driven to preempt detonations from smuggled explosives. The revived CTU in 24: Legacy operated with a leaner structure compared to prior iterations, focusing on national headquarters integration with field assets like former Army Ranger Eric Carter, amid a broader counter-terrorism framework involving remnants. Personnel emphasized empirical threat assessment over speculative leads, navigating betrayals and resource limitations in a post-disbandment era.

Political leadership and campaign staff

Senator John Donovan, portrayed by Jimmy Smits, serves as a U.S. Senator actively campaigning for the during the events of 24: Legacy, set on . His bid for higher office positions him as a key figure in the national political landscape, where terrorist threats disrupt the democratic process and force intersections between campaign operations and counter-terrorism responses. Donovan's strategic decisions, including managing fallout from internal campaign suspicions, highlight the vulnerabilities of political leadership amid crises. Rebecca Ingram, played by , is Donovan's wife and the presumptive , whose prior role as National Director of the Counter Terrorist Unit provides critical expertise during the day's emergencies. Though not formally in campaign staff, her involvement stems from familial ties and her intelligence background, enabling her to bridge political and operational responses to the threats targeting the election infrastructure. Ingram's actions underscore the personal risks borne by political families in high-stakes scenarios. Luis Diaz, portrayed by , acts as a political operative and maternal uncle to , handling key aspects of the presidential campaign logistics. Diaz's role exposes internal campaign frictions when he becomes a suspect in connections to terrorist elements, prompting investigations that test loyalties within the staff and complicate Donovan's electoral prospects. His arc illustrates the potential for infiltration at the campaign level.

Terrorist cells and cell insiders

The primary terrorist threat in 24: Legacy emanates from sleeper cells affiliated with the network of Sheikh Ibrahim Bin-Khalid, a terrorist leader killed three years prior by U.S. Rangers led by Eric Carter. These cells possess radiological dirty bombs and are activated using codes from a strongbox containing agent lists and activation protocols, which was recovered during the raid on Bin-Khalid but subsequently compromised. The cells aim to execute synchronized detonations in major U.S. cities, beginning with an initial blast at a football that kills hundreds and escalates to threats against population centers. Jadalla Bin-Khalid, son of the slain leader and portrayed by , emerges as the operational head of the cells, directing activations from a hidden base to avenge his father and advance jihadist objectives. He coordinates the deployment of bombs and s, including efforts to retrieve after its sale on the . Amira Dudayev, played by , is a radicalized American recruited into the cell; she fabricates a component and volunteers for a at a public event, driven by ideological fervor amplified by cell . Her brother, Khasan Dudayev (Themo Melikidze), functions as a dedicated , smuggling bomb materials and executing field operations, including an attempt to detonate at a campaign rally. Cell insiders include Ben Grimes (Charlie Hofheimer), a former Ranger teammate of Carter who steals the strongbox for personal gain, selling it to intermediaries linked to Bin-Khalid's network and thereby enabling cell activations; his betrayal stems from financial desperation and resentment toward . Nilaa Mishra (), a technology specialist on Senator John Donovan's presidential campaign, operates as a deep-cover mole, leaking and sabotaging protocols to aid cell movements, motivated by loyalty to the jihadist cause. These insiders exploit access to and , underscoring the cells' reliance on embedded operatives for logistical success.

Law enforcement and civilian witnesses

Local police officers play a peripheral role in the second , where Eric Carter orchestrates his own to access $2 million in seized drug money held in evidence at a precinct following a major bust. He subdues and fits two officers—"flatfoots" strapped with explosives—to compel them to escort him inside under custody pretense, bypassing protocols. A precinct intervenes, ordering subordinates to withdraw from the evidence area amid escalating tension, though Carter escapes after securing the funds. These unnamed officers, including a desk clerk and booth attendant, represent standard enforcement overwhelmed by Carter's tactical . In the finale, a patrol officer spots Amira Dudani's truck rigged with radiological dirty bombs en route to a target and engages, firing shots that wound her but fail to halt the detonation, resulting in over 100 civilian deaths. This intervention underscores local responders' limitations against coordinated terror threats exceeding federal jurisdiction. Civilian witnesses include minor figures encountering peripheral violence or suspicion. An unnamed homeowner endures a brutal by Bin-Khalid loyalists seeking intel on Carter, bound and interrogated before likely execution, alerting authorities indirectly to the fatwa's reach. At a high school, Drew, Amira Dudani's jealous ex-boyfriend, observes her erratic behavior and "terrorist stuff" communications, confronting her and notifying in a bid to expose the plot, though ineffective. A complicit , involved romantically with Amira, panics over operational details texted to her but advances the cell's aims before repercussions. Other bystanders, such as a soccer player, appear in transit scenes but lack direct witnessing roles. These elements highlight everyday individuals ensnared in the conspiracy's fringes, often outmatched by its secrecy.

Supporting federal and peripheral roles

Donald Simms, portrayed by James Moses Black, is the who assumes oversight of CTU operations amid the escalating terrorist threat in the series' later episodes. Introduced in the tenth episode airing April 3, 2017, Simms coordinates federal response efforts, including assigning tasks related to high-level intelligence analysis. FBI Agent Dietrich, played by Alex Collins, appears in a single episode as a field operative assisting with investigative leads connected to the terrorist cell's activities. His role involves coordination with CTU on peripheral intelligence gathering, highlighting inter-agency during the 12-hour crisis window.

Fictional U.S. Presidents and Political Leadership

References

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