---
name: "Thaddea Graham"
canonical: "https://film.one/person/thaddea-graham"
fi1m_id: "thaddea-graham"
imdb_id: "nm6248154"
tmdb_id: 2515060
wikidata_id: "Q87944738"
roles: ["Actor"]
born: "29 March 1997"
reviewed_on_fi1m: 5
average_fi1m_score: 71
average_as: "actor"
average_over: 5
updated: "2026-09-24T21:27:51.883293+00:00"
licence: "© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL."
---

# Thaddea Graham

## Identity

Thaddea Graham

- **Canonical:** https://film.one/person/thaddea-graham
- **Type:** Person
- **Fi1m ID:** thaddea-graham
- **IMDb ID:** nm6248154
- **TMDB ID:** 2515060
- **Wikidata ID:** Q87944738
- **Same entity:** https://en.wikipedia.org/wiki/Thaddea_Graham, https://www.wikidata.org/wiki/Q87944738, https://www.imdb.com/name/nm6248154/, https://www.themoviedb.org/person/2515060

Actor. Born 29 March 1997 in China.

## Details

- **Work:** Actor
- **Born:** 29 March 1997, China
- **Active:** 2019–present
- **Also known as:** Тэди Грэм
- **Frequently works with:** [Alice Seabright](https://film.one/person/alice-seabright.md), [Kate Herron](https://film.one/person/kate-herron.md)
- **Average Fi1m score:** 71, as actor, over 5 titles
- **Fi1m score by decade:** 2010s 78 (1), 2020s 70 (4)
- **Fi1m against the critics:** 71 to 72 across 5 titles
- **Score spread:** 1 at 80+, 3 at 60–79, 1 under 60
- **Lead roles:** 0 of 3 acting credits billed first or second
- **Genres:** Drama 5, Comedy 3, Crime 1
- **Screen time:** 5 hours of reviewed films
- **Box office:** $9m across 1 films with figures
- **Elsewhere:** https://en.wikipedia.org/wiki/Thaddea_Graham, https://www.wikidata.org/wiki/Q87944738, https://www.imdb.com/name/nm6248154/, https://www.themoviedb.org/person/2515060

## Coming up

- *Artificial* (2026-12-25)

## Streaming the US now

- **Apple TV:** [*Margo's Got Money Troubles*](https://film.one/tv/margos-got-money-troubles.md) (80)
- **Netflix:** [*Sex Education*](https://film.one/tv/sex-education.md) (78)
- **Amazon Prime Video:** [*After the Hunt*](https://film.one/film/after-the-hunt.md) (57)

For United States; add `?region=XX` for another country.

## Biography

Thaddea Graham is a Northern Irish actress. She trained at Arts Educational Schools in London, graduating with a BA in Acting in 2018.

She is known for television roles including Iona in the Netflix series *The Letter for the King* (2020), Bea in *The Irregulars* (2021), Sarah 'O' Owens in *Sex Education* (2023), Bel in *Doctor Who* (2021), Una Houlihan in *Bad Sisters* (2022 and 2024), and Susie in *Margo's Got Money Troubles* (2026). Her film credits include Katie in *After the Hunt* (2025) and Meg in *Jay Kelly* (2025).

Graham appeared on the 2023 Screen International Rising Stars Ireland list. She was adopted from an orphanage in Changsha, China, at one year old and raised in County Down.

*Sources: en.wikipedia.org, imdb.com, independenttalent.com.*

## On Fi1m (5)

- *Margo's Got Money Troubles* (2026), Fi1m 80, as Susie — [page](https://film.one/tv/margos-got-money-troubles.md)
- *After the Hunt* (2025), Fi1m 57, as Katie — [page](https://film.one/film/after-the-hunt.md)
- *Jay Kelly* (2025), Fi1m 64, as Meg — [page](https://film.one/film/jay-kelly.md)
- *Bad Sisters* (2022), Fi1m 78, as Una Houlihan — [page](https://film.one/tv/bad-sisters.md)
- *Sex Education* (2019), Fi1m 78, as Sarah 'O' Owens — [page](https://film.one/tv/sex-education.md)

## Complete filmography (15)

Every credit, newest first. Titles without a page can be requested for review on the HTML page.

- *Artificial* (2026), Actor
- *Bloodsuckers* (2026), as Bliss
- *Margo's Got Money Troubles* (2026), series, as Susie — Fi1m 80, [page](https://film.one/tv/margos-got-money-troubles.md)
- *Jay Kelly* (2025), as Meg — Fi1m 64, [page](https://film.one/film/jay-kelly.md)
- *After the Hunt* (2025), as Katie — Fi1m 57, [page](https://film.one/film/after-the-hunt.md)
- *Wreck* (2022), series, as Vivian Lim
- *Bad Sisters* (2022), series, as Una Houlihan — Fi1m 78, [page](https://film.one/tv/bad-sisters.md)
- *Redemption* (2022), series, as Siobhán Wilson
- *The Irregulars* (2021), series, as Bea
- *Us* (2020), series, as Kat
- *The Letter for the King* (2020), series, as Iona
- *Sex Education* (2019), series, as Sarah 'O' Owens — Fi1m 78, [page](https://film.one/tv/sex-education.md)
- *The Sparticle Mystery* (2011), series, as Lucie
- *Doctor Who* (2005), series, as Bel — Fi1m 78, [page](https://film.one/tv/doctor-who-2005.md)
- *Hello & Paris*, Actor

---
© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL. Canonical: https://film.one/person/thaddea-graham