Mark O'Sullivan

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 screen

Behind the camera

Pick up exactly where you left off.

Tick an episode and the rest sorts itself out: what is waiting tonight, what airs tomorrow, what you abandoned two years ago. And under every episode, what other people made of it, without ever spoiling what comes next.

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