Acting
Community Rating
5.4
TMDB estimate
Born in
Bedford, Bedfordshire, England
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.

My Sexual Abuse: The Sitcom
as Self, Writer
2024
My Sexual Abuse: The Sitcom (The Actual Sitcom)
as Mark, Director, Writer
2024

The Nevers
as Orderly
2021

Swan
as Ted
2020

Lee and Dean
as Dean
2018

8 Out of 10 Cats Does Countdown
as Dean - Dictionary Corner
2013
Comedy Blaps
as Vic
2011

Reaper
as Doctor
2000