Nell Williams

Nell Williams is an English actress who was scouted at 11 during a National Youth Music Theatre production. Born in Hackney, London, she began on stage at the Royal Court Theatre in Caryl Churchill's play Love and Information, then took the part of the young Elizabeth II in The Audience, written by Peter Morgan, at the Gielgud Theatre, which brought her attention from media in Britain and overseas. In 2015 she appeared in the opening episode of Game of Thrones season five as a teenage Cersei Lannister. Her films include starring in Blinded by the Light (2019), which drew rave reviews at Sundance, and Elizabeth Is Missing (2019), a BAFTA-nominated drama, along with The Good Liar (2019), London Town (2017) and Inland (2022). She played Mary Redfellow, the teenage mother of Glen Powell's character, in How to Make a Killing (2026), and Agatha in the series Young Sherlock (2026).