She is best known for her television roles as Sketch in Skins, Esme Shelby in Peaky Blinders, Sophie in Detectorists, Abi in Loaded, and Shirley Dander in Slow Horses.
Her video game voice roles include Rachel Baker in Everybody's Gone to the Rapture, Mio in the English dub of Xenoblade Chronicles 3, and Ranni the Witch in Elden Ring.
[3] She was training to be a classical singer when she appeared on the Pop Idol-type Welsh language TV show Wawffactor in 2006, finishing as runner-up.
[2] In 2009, she appeared in the Casualty episode "Stand By Me" as a teenager who finds a replacement speed date in the wards of Holby City Hospital, and ends up involved in a serious gun-related incident.
In 2012, she appeared in The Recruiting Officer at the Donmar Warehouse,[1] and in Marius von Mayenburg's Fireface at the Young Vic.
In 2022, she voiced Ranni the Witch, a major non-playable character in Elden Ring and Mio in the English dub of Xenoblade Chronicles 3.