Sophie Cookson (born 15 May 1990) is an English actress. She played secret agent Roxy Morton / Lancelot in the 2014 spy film Kingsman: The Secret Service and its 2017 sequel Kingsman: The Golden Circle, and Pippa in the 2016 fantasy film The Huntsman: Winter's War. She played the title role of Christine Keeler in the 2019 BBC One drama television series The Trial of Christine Keeler.