Movies with 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.

Below you'll find movies starring Mark O'Sullivan. Each title links to its page where you can see the full cast, plot, and where to stream. Fluxcap Stream helps you discover where to watch films online.

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Movies starring Mark O'Sullivan