Mark O'Sullivan

ActorDirectorWriter Bedford, Bedfordshire, England 2000–2024 (24 year career)

6.4 avg rating

Biography

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

The Nevers

The Nevers

Orderly

8 Out of 10 Cats Does Countdown

8 Out of 10 Cats Does Countdown

Dean - Dictionary Corner

Reaper

Reaper

Doctor

Lee and Dean

Lee and Dean

Dean

My Sexual Abuse: The Sitcom

My Sexual Abuse: The Sitcom

Self

Swan

Swan

Ted

Filmography

Acting (8)

·

Movies (4)

My Sexual Abuse: The Sitcom (The Actual Sitcom)

as Mark

My Sexual Abuse: The Sitcom

My Sexual Abuse: The Sitcom

as Self

Swan

Swan

as Ted

Reaper

Reaper

as Doctor

Television (4)

The Nevers

The Nevers

as Orderly

Lee and Dean

Lee and Dean

as Dean

8 Out of 10 Cats Does Countdown

8 Out of 10 Cats Does Countdown

as Dean - Dictionary Corner

Comedy Blaps

as Vic

Crew (3)

Movies (3)

My Sexual Abuse: The Sitcom (The Actual Sitcom)

Director

My Sexual Abuse: The Sitcom (The Actual Sitcom)

Writer

My Sexual Abuse: The Sitcom

My Sexual Abuse: The Sitcom

Writer