Mark O'Sullivan is a producer, actor, and writer known for Tell Me Everything (2022), Lee and Dean (2017) and My Sexual Abuse: The Sitcom (The Actual Sitcom) (2024). Mark won an RTS award in 2025 for his documentary (and sitcom episode) My Sexual Abuse: The Sitcom, made by Swan Films for Channel 4, was awarded the best Arts programme for 2025.
Mark O'Sullivan has 9 screen credits in a career dating back to 2000. Signature works include My Sexual Abuse: The Sitcom, My Sexual Abuse: The Sitcom (The Actual Sitcom), Swan. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
