Rosie Sheehy is a Welsh stage and screen actor, known for her work with the Royal Shakespeare Company, the Royal National Theatre, The Old Vic and for her critically acclaimed performances in London theatre. A graduate of the Royal Academy of Dramatic Art (RADA), she has been recognised for her emotional range in both classical and contemporary roles. Sheehy received a Laurence Olivier Award nomination for Best Actress for her performance as the Young Woman in Machinal at the Old Vic in 2024. She went on to be nominated the following year for her groundbreaking performance as her in “ Guess How Much I Love You.”