Natalie Ann Cassidy is an English actress and television personality. She played Sonia Fowler in the BBC soap opera EastEnders, for which she won the award for Best Actress at the British Soap Awards and the TV Quick Awards in 2001. Her other television roles include The Catherine Tate Show (2006), Psychoville (2009), Mandy (2020), Motherland (2021), and Boarders (2025).