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Mark O'Sullivan
Actor, Producer, Writer, Director, Editor, Additional Credits
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 Filmography
| 2022 | Tell Me Everything (TV Series) · as Mr. Horrocks |
| 2021 | The Nevers (TV Series) · as Orderly |
| 2017 | Lee and Dean (TV Series) · as Dean |
| 2012 | 8 Out of 10 Cats Does Countdown (TV Series) · as Dean - Dictionary Corner |
| 2000 | Reaper · as Doctor |
| 1961 | Comedy Playhouse (TV Series) · as Engineer |
| 1992 | Soccer AM (TV Series) · as Self |
| 2022 | Tell Me Everything (TV Series) · as Executive Producer |
| 2017 | Lee and Dean (TV Series) · as Executive Producer |
| 2017 | Lee and Dean (TV Series) |
| 2016 | Morgana Robinson's The Agency (TV Series) |
| 2017 | Lee and Dean (TV Series) |
| 2017 | Lee and Dean (TV Series) |
| 2022 | Tell Me Everything (TV Series) · as Created By |