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Thaddea Graham
Thaddea Graham
from Wikipedia

Thaddea Graham (born 29 March 1997)[1] is a Northern Irish actress. She is known for her roles in the Sky One series Curfew (2019), the Netflix series The Letter for the King (2020), The Irregulars (2021) and Sex Education (2023), and the BBC series Us (2020), Doctor Who: Flux (2021) and Wreck (2022).

Key Information

Graham appeared on the 2023 Screen International Rising Stars Ireland list.[2]

Early life and education

[edit]

Graham was adopted from an orphanage in Changsha, China at one year old and was raised in County Down.[3] She was one of the first international adoptees in Northern Ireland.[4] She attended Killinchy Primary School in Killinchy and later Bloomfield Collegiate School in Ballyhackamore.[5][6] She trained with Arts Educational School in London, graduating with a Bachelor of Arts in Acting in 2018.[7]

Career

[edit]

Graham made her television debut with a recurring role in season 3 of The Sparticle Mystery. In December 2018,[8] she landed her first major role as Iona in the 2020 Netflix fantasy series The Letter for the King, an adaptation of the classic Dutch book by Tonke Dragt.[9][10] The following December, she was cast as Bea in the 2021 Sherlock Holmes spinoff The Irregulars, also on Netflix.[11] In the meantime, she played Hanmei Collins in the Sky One action series Curfew, and Kat in the BBC One comedy-drama miniseries Us.[12][13] She joined the cast of Doctor Who for its thirteenth series (known as Doctor Who: Flux) as Bel, making her debut in "Chapter Three: Once, Upon Time".[14][15]

In 2022, Graham was in the main cast of the Virgin Media One and ITV crime drama Redemption as Siobhán Wilson and began starring as Vivian Lim opposite Oscar Kennedy and Jack Rowan in the BBC Three horror comedy Wreck. She joined the cast of the Netflix comedy-drama Sex Education for its fourth season playing the character "O".

In 2024, Graham was announced as part of the cast of Margot's Got Money Troubles created by David E. Kelley.[16]

Filmography

[edit]
Key
Denotes film or TV productions that have not yet been released

Film

[edit]
Year Title Role Notes
2014 Painkiller Short film
2021 VHS Lea Short film
2022 Ballywalter Frances
2025 Jay Kelly TBA [17]
2025 After the Hunt TBA
TBA Artificial TBA Filming[18]

Television

[edit]
Year Title Role Notes
2015 The Sparticle Mystery Lucie 3 episodes
Dani's Castle Atka Episode: "Groundbog Day"
2019 Curfew Hanmei Collins Main cast
2020 The Letter for the King Iona Main cast
Us Kat Miniseries, main cast
2021 The Irregulars Bea Main cast
Doctor Who Bel 3 episodes
2022 Redemption Siobhán Wilson Miniseries, main cast
2022–2024 Wreck Vivian Lim Main cast
2023 Sex Education Sarah 'O' Owens Main cast (series 4)
2024 DNA Journey Herself - Narrator 3 episodes
Bad Sisters DI Una Houlihan Main cast (series 2)
TBA Margo's Got Money Troubles Susie Miniseries, post-production

Video games

[edit]
Year Title Role Notes
2022 Sifu Fighter (voice)
2023 Dead Island 2 Jessie (voice)

Stage

[edit]
Year Title Role Notes
2016 London Stories Made by Migrants Battersea Arts Centre[19]

References

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia
from Grokipedia
Thaddea Graham (born 29 March 1997) is a Northern Irish actress recognized for her leading roles in television series including (2021), Wreck (2022–2024), and (2024). Born in , Graham was adopted at 13 months old by a couple from and raised in , where her parents nurtured her connection to her Chinese heritage through family discussions, school celebrations like , and trips back to . As a child, she participated in amateur dramatics and dance lessons, initially considering a career in music therapy before her mother encouraged her to audition for drama school. Graham trained at (ArtsEd) in , where she discovered her passion for through an emphasis on truthful , leading her to pursue professional opportunities. Her breakthrough came with early television roles, such as in the fantasy series (2020) and the miniseries (2020), where she portrayed a street musician. She gained wider recognition as Bea, the lead in the spin-off , and as Bel in the special episodes "Once, Upon Time" and "Village of the Angels" (2021). Subsequent credits include the horror-comedy Wreck for , in which she starred across two seasons as Vivian Lim, a final-season role in Netflix's (2023), and a series regular part in the second season of Apple TV+'s (2024). Graham has transitioned into film with roles in Luca Guadagnino's After the Hunt (2025) and Noah Baumbach's Jay Kelly (2025), and she starred in the Apple TV+ and series Margot's Got Money Troubles (2026). In , she appeared in London Stories Made by Migrants at Battersea Arts Centre. Graham is represented by Independent Talent Group in the UK.

Early years

Early life

Thaddea Graham was born on 29 March 1997 in China, where she spent her early infancy as an orphan after being left on a doorstep at three days old. At 13 months old, she was adopted by a couple from Belfast, Northern Ireland, becoming one of the first international adoptees to relocate there and even featured in a BBC Spotlight segment on the process. Graham was raised in County Down, Northern Ireland, by her adoptive parents in a supportive family environment that emphasized her integration into local culture while maintaining ties to her Chinese heritage. Her parents nurtured her connection to her Chinese heritage through family discussions, school celebrations like , and trips back to . As a child, she participated in amateur dramatics and lessons, initially considering a career in music therapy before her mother encouraged her to audition for drama school. Her parents encouraged these activities to build her confidence during childhood, fostering a sense of belonging in the rural Northern Irish setting. During her early years, Graham attended Killinchy in Killinchy, , where she began exploring creative interests amid the close-knit community. This period shaped her formative experiences before transitioning to .

Education

Thaddea Graham attended Bloomfield Collegiate School in for her , where she began exploring her interest in . Raised in , Graham relocated to to pursue specialized training in , enrolling at (ArtsEd). She graduated from the institution with a degree in Acting in 2018. During her three-year program at ArtsEd, Graham underwent rigorous vocational training that emphasized practical development of core skills, including performance techniques, voice work, and movement. The curriculum featured intensive workshops and stage productions designed to build technical proficiency and prepare students for professional demands in and screen acting.

Career

Beginnings in theatre

Thaddea Graham made her professional stage debut in 2016 with the immersive storytelling production London Stories Made by Migrants at Battersea Arts Centre in . The event, directed by , featured around 30 participants sharing authentic narratives of migration and settlement in , drawing from their lived experiences to create intimate, site-specific performances across the venue. Graham contributed by recounting her own story of being born in China and adopted by a family in , a personal account that resonated deeply with the production's themes of displacement and belonging. She performed this piece multiple times each evening, an experience she later described as emotionally challenging yet rewarding, highlighting the raw vulnerability required in such unscripted work. This debut came during her training at (ArtsEd) in , where she had begun honing her acting skills shortly after moving from as a teenager. The opportunity underscored theatre's role as her initial platform in the , providing early exposure to professional stages and diverse storytelling before she transitioned to on-screen roles following her 2018 graduation.

Television debut and breakthrough

Thaddea Graham's early television work included a recurring role as Hanmei Collins in the dystopian thriller series (2019), where she portrayed a determined young racer in a high-stakes underground competition for freedom. The series, which aired from February to April 2019, marked one of her first major scripted television drama roles, building on her prior stage work that had honed her skills for screen auditions. In 2020, Graham secured her first major streaming role as the fierce rogue knight Iona in Netflix's fantasy adventure , adapted from Tonke Dragt's novel and released in March. Playing a skilled swordswoman who joins a perilous quest, her performance contributed to the series' international appeal, introducing her to a global audience through Netflix's platform. Graham's breakthrough came in 2021 with the lead role of Bea, the resilient and protective leader of a group of Victorian-era street youths, in Netflix's supernatural drama . The series, which premiered on March 26, reimagined the world of from the perspective of its overlooked "," and Graham's portrayal of the headstrong Bea was widely praised for its emotional depth, pluckiness, and commanding presence amid the ensemble. Critics highlighted her as a standout, delivering a powerful performance that elevated the show's mix of horror, mystery, and , even as the series received mixed overall reviews. That same year, she made a notable as Bel, a resourceful and pregnant navigating cosmic threats, in the sci-fi series : Flux, in the four-episode Flux arc, including "," "," "," and "." Her episodes showcased her versatility in a high-profile franchise, further boosting her profile. These early television roles, particularly her projects, significantly elevated Graham's visibility, providing exposure to millions worldwide and establishing her as a rising talent in genre television.

Expansion into film and streaming

Following her breakthrough role in Netflix's The Irregulars, Thaddea Graham expanded her presence in television and streaming platforms, securing roles in high-profile international productions that showcased her versatility across genres. In 2022, she joined the cast of BBC Three's horror-comedy series Wreck as Vivian Lim, a resourceful crew member navigating a deadly cruise ship mystery, appearing across both seasons that aired in 2022 and 2024. Graham's profile rose further with her appearance in the fourth and final season of Netflix's in 2023, where she portrayed Sarah "O" Owen, an asexual college sex therapist who becomes entangled in the students' personal dilemmas. This role marked her entry into one of the platform's flagship series, highlighting her ability to handle nuanced, identity-driven characters. In 2024, she was cast as Una, a determined young detective-in-training, in the second season of Apple TV+'s dark comedy , partnering with lead investigator Blánaid to investigate the Garvey sisters' latest troubles. Her growing acclaim was recognized in 2023 when she was named one of Screen International's Rising Stars of , praised for her leading roles in Wreck and Sex Education that positioned her as a key emerging talent in Irish and global streaming. Looking ahead, Graham has lined up several prominent projects that underscore her shift toward more diverse and substantial roles in film and streaming. She appears as Katie in Luca Guadagnino's 2025 psychological thriller After the Hunt for , alongside and , exploring themes of accusation and professional fallout in academia. In the Apple TV+ limited series Margo's Got Money Troubles, announced in 2024, she plays series regular Suzie, Margo's supportive flatmate, in a dramedy adaptation starring and . She also stars as Meg in Noah Baumbach's comedy-drama Jay Kelly (2025) for , alongside and . Additionally, Graham joined the ensemble of Guadagnino's AI-themed film Artificial in 2025, with filming underway for , further cementing her involvement in ambitious, internationally backed narratives. This progression reflects Graham's evolution from supporting parts to recurring and ensemble leads in major streaming services like , , and Apple TV+, often in productions with global reach and complex character arcs that draw on her Northern Irish heritage and multilingual background.

Filmography

Film

Graham made her feature film debut in the 2022 Irish comedy-drama , directed by .
YearTitleRoleNotes
2022FrancesGraham portrayed Frances, a sharp-witted young woman working as a taxi driver in the titular Northern Irish coastal town, forming an unlikely bond with a grieving passenger. The film, set against the backdrop of everyday life in , , explores themes of loss, friendship, and resilience. It premiered at the Galway Film Fleadh and received universal acclaim, earning a 100% approval rating on based on 10 reviews, with critics praising its authentic dialogue and heartfelt performances.
2025After the HuntKatieGraham appeared in Luca Guadagnino's thriller After the Hunt, starring opposite and . She played Katie, a in the story of a college navigating personal and professional turmoil amid a colleague's . The film premiered at the Venice International Film Festival on August 29, 2025 and was released in limited theaters on October 10, 2025, before expanding wide on October 17.
2025Jay KellyMegGraham starred in Noah Baumbach's comedy-drama Jay Kelly for , playing Meg in this ensemble film about a movie star confronting his career and life. It had a limited theatrical release on November 14, 2025, followed by streaming on starting December 5, 2025.

Television

Thaddea Graham made her television debut in the 2019 Sky One dystopian thriller series , where she portrayed the recurring role of Hanmei across seven episodes. In 2020, she appeared in the BBC/Netflix miniseries Us, playing Kat, a free-spirited traveler who joins the family on their European vacation, across three episodes. Also in 2020, she appeared in the Netflix fantasy adventure miniseries , playing the novice knight in all six episodes. In 2022, Graham starred as Siobhán Wilson in the four-episode ITV/ crime drama miniseries Redemption, a main cast role involving family secrets and murder investigation. Graham's breakthrough streaming role came in 2021 with the mystery series , in which she starred as Beatrice "Bea" Malik, the leader of a group of street youths, over the show's eight episodes. That same year, she guest-starred in the science fiction series during its "" storyline, appearing as Bel in four episodes: "," "," "," and "." From 2022 to 2024, Graham had a main role in the horror-comedy series Wreck, portraying Vivian Lim, a crew member on a , across all 12 episodes of its two seasons. In 2023, she joined the cast of Netflix's for its fourth and final season, playing Sarah "O" Owens, an asexual sex therapist and rival to the protagonist, in eight episodes. Graham's most recent television credit as of 2025 is in the second season of Apple TV+'s Bad Sisters (2024), where she plays the ambitious detective trainee Una Houlihan in all eight episodes. She has been cast as Susie, Margo's roommate, in the upcoming Apple TV+ series Margo's Got Money Troubles (2026), a series regular role alongside and .
YearTitleRoleEpisodesPlatform
2019Hanmei7
2020UsKat3/
2020The Letter for the KingIona6
2021The IrregularsBeatrice "Bea" Malik8
2021 (Flux)Bel4
2022RedemptionSiobhán Wilson4ITV
2022–2024WreckVivian Lim12BBC Three
2023Sex Education (season 4)Sarah "O" Owens8
2024 (season 2)Una Houlihan8Apple TV+
TBAMargo's Got Money TroublesSusieTBAApple TV+

Video games

Thaddea Graham has contributed to video games through and , marking her entry into interactive media. In the 2022 beat 'em up game Sifu, developed by Sloclap, Graham provided voice work and motion capture performances for generic fighter characters. These roles supported the game's core combat mechanics, where players face off against waves of enemies in a revenge-driven set in contemporary . Her performances helped animate the fluid, realistic fight sequences that define the title's progression system. Graham voiced Jessie Kwon in the 2023 zombie action RPG , developed by and published by . As a resourceful survivor and martial artist, Jessie plays a significant supporting role in the story, assisting the by providing intelligence on outbreaks and key locations in a quarantined ; she is central to missions like "Kwon With the Wind," where players rescue her from a construction site to advance the plot against the undead threat.

Theatre

Notable performances

Following her debut in the immersive production London Stories Made by Migrants at in 2016, where she shared elements of her personal story as part of an ensemble exploring migrant experiences in , Graham pursued further theatre engagements during her training at the Arts Educational Schools (ArtsEd) in (c. 2015–2018). A notable performance came in a student production of Thornton Wilder's Our Town, in which she played the Stage Manager under the direction of Zoë Waterman; this role allowed her to guide the narrative structure of the play, emphasizing themes of community and life's fleeting moments. Other key productions during her training included Shakespeare's The Winter's Tale as Hermione (directed by Sarah Tipple), Arthur Miller's All My Sons as Kate Keller (directed by Phil Edgerley), and Anton Chekhov's The Seagull as Nina (directed by Edward Hulme). Graham also appeared in Duncan Macmillan's People, Places and Things around 2017–2018 as Emma, the protagonist grappling with addiction and self-destruction in a raw, introspective drama. The production's post-show discussions, including one instance where an audience member revealed a personal connection to the story, reinforced for Graham the ethical weight of authentic performance and its potential to foster empathy. These live theatre experiences during her formative years at significantly shaped Graham's approach to , instilling a commitment to truthful storytelling that she has carried into her screen roles, where the immediacy and vulnerability of stage work inform her nuanced portrayals of complex characters.

References

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