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Thaddea Graham
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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]| † | 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]- ^ "Thaddea Graham: Biography, Movies List - WeGreen Entertainment". Retrieved 1 July 2025.
- ^ McCarthy, Esther (15 February 2023). "Rising Stars Ireland 2023: Thaddea Graham (actor)". Screen Daily. Retrieved 10 October 2023.
- ^ Barter, Pavel (13 March 2021). "Thaddea Graham: If I have a voice, I don't want to waste it". The Times. Retrieved 23 March 2021.
- ^ McCarthy, Esther (22 March 2021). "Thaddea Graham: Ireland's rising star on her new Netflix series, and her Chinese heritage". Irish Examiner. Retrieved 23 March 2021.
- ^ McNeilly, Claire (24 September 2020). "Young Northern Ireland actress Thaddea Graham the star of new BBC drama Us". Belfast Telegraph. Retrieved 1 November 2020.
- ^ "Thaddea starring in hit BBC show". Down Recorder. 7 October 2020. Retrieved 1 November 2020.
- ^ "Thaddea Graham". ArtsEd. Archived from the original on 13 March 2021. Retrieved 18 March 2020.
- ^ Andreeva, Nellie; Petski, Denise (12 December 2018). "Netflix Sets Cast For 'The Letter For The King' Series Based On Classic Dutch Novel". Deadline. Retrieved 24 February 2020.
- ^ "Netflix's YA Spring Showcase: See photos of the streamer's brightest young stars". Entertainment Weekly. 16 February 2020. Retrieved 18 March 2020.
- ^ Schick, Michal (30 March 2020). "Thaddea Graham talks being the biggest 'Letter for the King' badass". Hypable. Archived from the original on 1 December 2023. Retrieved 1 April 2020.
- ^ Furn, David (19 December 2019). "Netflix reveals who'll play Sherlock Holmes in its new series The Irregulars". Radio Times. Retrieved 20 December 2019.
- ^ East, Ben (19 February 2019). "The dystopian duel of stars in their cars". Metro. Retrieved 18 March 2020.
- ^ "Tom Hollander to star in Us, David Nicholls' adaptation of his bestselling novel for BBC One". BBC Media Centre. 17 July 2019. Retrieved 20 December 2019.
- ^ Preston, Allan (16 November 2021). "Watch: Dr Who's Thaddea Graham explains how she got NI accent onto BBC show". Belfast Telegraph. Retrieved 21 November 2021.
- ^ Lewis, Isobel (21 November 2021). "Doctor Who review, 'Village of the Angels': Thaddea Graham is a stand-out in best Flux episode to date". The Independent. Retrieved 21 November 2021.
- ^ "David E. Kelley's Apple Series 'Margo's Got Money Troubles' Adds Thaddea Graham to Cast". 11 November 2024.
- ^ Kroll, Justin (14 March 2024). "Netflix Sets All-Star Ensemble To Round Out Cast Of Noah Baumbach's Next Film". Deadline Hollywood. Retrieved 14 March 2024.
- ^ Grobar, Matt (19 August 2025). "Luca Guadagnino's AI Movie 'Artificial' For Amazon MGM Studios Adds Five To Cast". Deadline. Retrieved 19 August 2025.
- ^ "Thaddea Graham". Independent Talent Group. Retrieved 18 March 2020.
External links
[edit]Thaddea Graham
View on GrokipediaEarly 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.[5][8] 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.[9][10] 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 Chinese New Year, and trips back to China.[3][4] 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. Her parents encouraged these activities to build her confidence during childhood, fostering a sense of belonging in the rural Northern Irish setting.[5][3] During her early years, Graham attended Killinchy Primary School in Killinchy, County Down, where she began exploring creative interests amid the close-knit community.[11][10] This period shaped her formative experiences before transitioning to secondary education.Education
Thaddea Graham attended Bloomfield Collegiate School in Belfast for her secondary education, where she began exploring her interest in performing arts.[12][13] Raised in Northern Ireland, Graham relocated to London to pursue specialized training in acting, enrolling at Arts Educational Schools (ArtsEd).[14] She graduated from the institution with a Bachelor of Arts degree in Acting in 2018.[15][16][17][18] During her three-year program at ArtsEd, Graham underwent rigorous vocational training that emphasized practical development of core acting skills, including performance techniques, voice work, and movement.[19] The curriculum featured intensive workshops and stage productions designed to build technical proficiency and prepare students for professional demands in theatre and screen acting.[19]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 London.[2][20] The event, directed by Richard Duffy, featured around 30 participants sharing authentic narratives of migration and settlement in London, drawing from their lived experiences to create intimate, site-specific performances across the venue.[21][2] Graham contributed by recounting her own story of being born in China and adopted by a family in Northern Ireland, a personal account that resonated deeply with the production's themes of displacement and belonging.[20] 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.[21][20] This debut came during her training at Arts Educational Schools (ArtsEd) in London, where she had begun honing her acting skills shortly after moving from Northern Ireland as a teenager.[22][23] The opportunity underscored theatre's role as her initial platform in the performing arts, providing early exposure to professional stages and diverse storytelling before she transitioned to on-screen roles following her 2018 graduation.[7][9]Television debut and breakthrough
Thaddea Graham's early television work included a recurring role as Hanmei Collins in the Sky One dystopian thriller series Curfew (2019), where she portrayed a determined young racer in a high-stakes underground competition for freedom.[24] 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.[7] In 2020, Graham secured her first major streaming role as the fierce rogue knight Iona in Netflix's fantasy adventure The Letter for the King, adapted from Tonke Dragt's novel and released in March.[25] 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.[26] 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 Irregulars. The series, which premiered on March 26, reimagined the world of Sherlock Holmes from the perspective of its overlooked "irregulars," and Graham's portrayal of the headstrong Bea was widely praised for its emotional depth, pluckiness, and commanding presence amid the ensemble.[27] Critics highlighted her as a standout, delivering a powerful performance that elevated the show's mix of horror, mystery, and social commentary, even as the series received mixed overall reviews.[28][29] That same year, she made a notable guest appearance as Bel, a resourceful and pregnant refugee navigating cosmic threats, in the BBC One sci-fi series Doctor Who: Flux, in the four-episode Flux arc, including "Once, Upon Time," "Village of the Angels," "Survivors of the Flux," and "The Vanquishers."[30] Her episodes showcased her versatility in a high-profile franchise, further boosting her profile. These early television roles, particularly her Netflix projects, significantly elevated Graham's visibility, providing exposure to millions worldwide and establishing her as a rising talent in genre television.[23][31]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.[32] Graham's profile rose further with her appearance in the fourth and final season of Netflix's Sex Education in 2023, where she portrayed Sarah "O" Owen, an asexual college sex therapist who becomes entangled in the students' personal dilemmas.[9] 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 Bad Sisters, partnering with lead investigator Blánaid to investigate the Garvey sisters' latest troubles.[33] Her growing acclaim was recognized in 2023 when she was named one of Screen International's Rising Stars of Ireland, praised for her leading roles in Wreck and Sex Education that positioned her as a key emerging talent in Irish and global streaming.[9][34] 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 Amazon MGM Studios, alongside Julia Roberts and Ayo Edebiri, exploring themes of accusation and professional fallout in academia.[35] 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 Elle Fanning and Nicole Kidman.[36] She also stars as Meg in Noah Baumbach's comedy-drama Jay Kelly (2025) for Netflix, alongside George Clooney and Adam Sandler.[37] Additionally, Graham joined the ensemble of Guadagnino's AI-themed film Artificial in 2025, with filming underway for Amazon MGM Studios, further cementing her involvement in ambitious, internationally backed narratives.[38] This progression reflects Graham's evolution from supporting parts to recurring and ensemble leads in major streaming services like Netflix, BBC, and Apple TV+, often in productions with global reach and complex character arcs that draw on her Northern Irish heritage and multilingual background.[39]Filmography
Film
Graham made her feature film debut in the 2022 Irish comedy-drama Ballywalter, directed by Prasanna Puwanarajah.[40]| Year | Title | Role | Notes |
|---|---|---|---|
| 2022 | Ballywalter | Frances | Graham 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 Ballywalter, County Down, explores themes of loss, friendship, and resilience. It premiered at the Galway Film Fleadh and received universal acclaim, earning a 100% approval rating on Rotten Tomatoes based on 10 reviews, with critics praising its authentic dialogue and heartfelt performances.[41][42][43] |
| 2025 | After the Hunt | Katie | Graham appeared in Luca Guadagnino's thriller After the Hunt, starring opposite Julia Roberts and Ayo Edebiri. She played Katie, a supporting character in the story of a college professor navigating personal and professional turmoil amid a colleague's accusation. 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.[44] |
| 2025 | Jay Kelly | Meg | Graham starred in Noah Baumbach's comedy-drama Jay Kelly for Netflix, 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 Netflix starting December 5, 2025.[45][37] |
Television
Thaddea Graham made her television debut in the 2019 Sky One dystopian thriller series Curfew, where she portrayed the recurring role of Hanmei across seven episodes.[24] 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.[46] Also in 2020, she appeared in the Netflix fantasy adventure miniseries The Letter for the King, playing the novice knight Iona in all six episodes.[25] In 2022, Graham starred as Siobhán Wilson in the four-episode ITV/Virgin Media One crime drama miniseries Redemption, a main cast role involving family secrets and murder investigation.[47] Graham's breakthrough streaming role came in 2021 with the Netflix mystery series The Irregulars, in which she starred as Beatrice "Bea" Malik, the leader of a group of street youths, over the show's eight episodes.[48] That same year, she guest-starred in the BBC science fiction series Doctor Who during its "Flux" storyline, appearing as Bel in four episodes: "Once, Upon Time," "Village of the Angels," "Survivors of the Flux," and "The Vanquishers."[49] From 2022 to 2024, Graham had a main role in the BBC Three horror-comedy series Wreck, portraying Vivian Lim, a crew member on a cruise ship, across all 12 episodes of its two seasons.[50] In 2023, she joined the cast of Netflix's Sex Education 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 black comedy Bad Sisters (2024), where she plays the ambitious detective trainee Una Houlihan in all eight episodes.[51] 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 Elle Fanning and Nicole Kidman.[36]| Year | Title | Role | Episodes | Platform |
|---|---|---|---|---|
| 2019 | Curfew | Hanmei | 7 | Sky One |
| 2020 | Us | Kat | 3 | BBC One/Netflix |
| 2020 | The Letter for the King | Iona | 6 | Netflix |
| 2021 | The Irregulars | Beatrice "Bea" Malik | 8 | Netflix |
| 2021 | Doctor Who (Flux) | Bel | 4 | BBC |
| 2022 | Redemption | Siobhán Wilson | 4 | ITV |
| 2022–2024 | Wreck | Vivian Lim | 12 | BBC Three |
| 2023 | Sex Education (season 4) | Sarah "O" Owens | 8 | Netflix |
| 2024 | Bad Sisters (season 2) | Una Houlihan | 8 | Apple TV+ |
| TBA | Margo's Got Money Troubles | Susie | TBA | Apple TV+ |
