Mark O'Sullivan

Known for: Acting

Place of birth: Bedford, Bedfordshire, England

Biography

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.

On Peekr: Mark O'Sullivan

Mark O'Sullivan is best known for work in Acting. The Peekr community tracks 7 credits from Mark O'Sullivan, including movies and TV series you can rate, discuss, and add to your own Peeklists.

Read the full filmography article →