She began acting in a local Welsh language youth theatre group.
[3] Keyworth is perhaps best known for her roles on British TV programmes, including The Great Outdoors[2] and Misfits.
[citation needed] She has had film roles, including the 2012 cannibal horror thriller Elfie Hopkins[2] and the 2014 comedy-drama Closer to the Moon.
[citation needed] In 2022 she starred in a production of To Kill a Mockingbird at the Gielgud Theatre in London.
[6] Her portrayal of Scout led her to winning the Best Supporting Performer in a play at the 2023 WhatsOnStage awards.