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.
Oyuncu
| 2024 | My Sexual Abuse: The Sitcom as Self |
| 2024 | My Sexual Abuse: The Sitcom (The Actual Sitcom) as Mark |
| 2020 | Swan as Ted |
| 2000 | Reaper as Doctor |
Diğer Roller
| 2024 | My Sexual Abuse: The Sitcom (The Actual Sitcom) - Director |
| 2024 | My Sexual Abuse: The Sitcom - Writer |
| 2024 | My Sexual Abuse: The Sitcom (The Actual Sitcom) - Writer |
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