Mark O'Sullivan

Acting
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.
Known For 6 titles
8 Out of 10 Cats Does Countdown (2013) subtitle poster
8 Out of 10 Cats Does Countdown
2013 TV
as Dean - Dictionary Corner
Subtitles The Nevers (2021) subtitle poster
The Nevers
2021 TV
as Orderly
Subtitles Lee and Dean (2018) subtitle poster
Lee and Dean
2018 TV
as Dean
Subtitles Reaper (2000) subtitle poster
Reaper
2000 Movie
as Doctor
Subtitles My Sexual Abuse: The Sitcom (2024) subtitle poster
My Sexual Abuse: The Sitcom
2024 Movie
as Self
Subtitles Swan (2020) subtitle poster
Swan
2020 Movie
as Ted
Subtitles