Sophie Fiennes is a British filmmaker and producer known for her work in documentary and experimental films. She is the sister of actors Ralph Fiennes and Joseph Fiennes, and has made a name for herself in the film industry through her unique storytelling style and visual artistry. Fiennes has directed several acclaimed documentaries, including The Pervert's Guide to Cinema and The Pervert's Guide to Ideology, which explore the intersection of film and psychoanalysis. Her films often feature prominent cultural figures and delve into complex themes, making her a significant voice in contemporary cinema.