Thaddea Graham

Biography

Thaddea Graham (born 17 September 1997) is a Northern Irish actress. She is known for her roles in the series Curfew (2019), The Letter for the King (2020), The Irregulars (2021), Sex Education (2023),Us (2020), Doctor Who: Flux (2021) and Wreck (2022).

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

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Known For

Jay Kelly

Meg

Doctor Who

Bel

Sex Education

Sarah 'O' Owens

After the Hunt

Katie

Bad Sisters

Una Houlihan

The Irregulars

Bea

The Letter for the King

Iona

Filmography

Year	Movie	Role
2025	Jay Kelly	Meg
2025	After the Hunt	Katie
	Artificial

Year	TV Show	Role
2026	Margo's Got Money Troubles	Susie
2022	Redemption	Siobhán Wilson
2022	Wreck	Vivian Lim
2022	Bad Sisters	Una Houlihan
2021	The Irregulars	Bea
2020	The Letter for the King	Iona
2020	Us	Kat
2019	Sex Education	Sarah 'O' Owens
2005	Doctor Who	Bel