Biography
David Fynn is a British-Irish actor, producer and screenwriter, best known for playing Brett in the NBC TV sitcom Undateable. He began playing Dewey Finn in the West End cast of Andrew Lloyd Webber's musical School of Rock (based on the 2003 film with Jack Black) in October 2016 at the New London Theatre, for which he received an Olivier Award nomination for Best Actor in a Musical in 2017.
Movies & TV Shows
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Game of Thrones (2011) — Rennick
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Sherlock (2010) — Howard Shilcott
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Black Mirror (2011) — Oliver
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Doctor Who (2005) — Marcellus
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Leap Year (2010) — Agent
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The Mauritanian (2021) — Kent
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Trolls Band Together (2023) — Biggie (voice)
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Here (2024) — Leo Beekman
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The Inbetweeners (2008) — Wolfie
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Peep Show (2003) — Games Shop Assistant
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Avenue 5 (2020) — TV Judd
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Madagascar: A Little Wild (2020) — Sir Braxton (voice)
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Whiskey Cavalier (2019) — Todd
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Spooks (2002) — Policeman at Ruth's House
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The Pembrokeshire Murders (2021) — Jonathan Hill
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Harlan Coben's Lazarus (2025) — Seth McGovern
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Undateable (2014) — Brett
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Vanity Fair (2018) — Jos Sedley
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Trolls: TrollsTopia (2020) — Biggie / Mr. Dinkles (voice)
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The Thief, His Wife and the Canoe (2022) — David Leigh
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Belgravia: The Next Chapter (2024) — Ross
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The Job Lot (2013) — Tyler Kerrigan
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Daddy Issues (2024) — Derek
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Deviation (2012) — Justin
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Believe Me (2026) — DS Steve Warrilow
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National Theatre Live: Much Ado About Nothing (2022) — Dogberry
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The Somnambulists (2012) — Man 2
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I'd Like to Be Alone Now (2019) — Sam
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Big Bad World (2013) — Oakley
- Doubt on Loan (2012) — Eddie
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National Theatre Live: She Stoops to Conquer (2012) — Tony Lumpkin
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Near Miss (2024) — Jim
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Married Young (2019) — David
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Watch the Skies (2025) — Thor
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Kiloran Bay (2026) — Dougal
- Porn Again (2017) — Terry