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.
2026Believe MeTV showas DS Steve Warrilow · 2 episodes
2026Kiloran BayMovieas Dougal
2025Watch the SkiesMovieas Thor2025Harlan Coben's LazarusTV showas Seth McGovern · 6 episodes2024HereMovieas Leo Beekman
2024Near MissMovieas Jim
2024Daddy IssuesTV showas Derek · 6 episodes
2024Belgravia: The Next ChapterTV showas Ross · 8 episodes2023Trolls Band TogetherMovieas Biggie (voice)
2022National Theatre Live: Much Ado About NothingMovieas Dogberry2022The Thief, His Wife and the CanoeTV showas David Leigh · 2 episodes2021The MauritanianMovieas Kent2021The Pembrokeshire MurdersTV showas Jonathan Hill · 3 episodes2020Trolls: TrollsTopiaTV showas Biggie / Mr. Dinkles (voice) · as Biggie (voice) · as Biggie / Mecha Dinkles (voice) · 14 episodes2020Madagascar: A Little WildTV showas Sir Braxton (voice) · 1 episodes2020Avenue 5TV showas TV Judd · 6 episodes
2019Married YoungMovieas David2019Whiskey CavalierTV showas Todd · 2 episodes
2019I'd Like to Be Alone NowMovieas Sam2018Vanity FairTV showas Jos Sedley · 7 episodes2014UndateableTV showas Brett · 34 episodes
2013Big Bad WorldTV showas Oakley · 8 episodes
2013The Job LotTV showas Tyler Kerrigan · 1 episodes
2012The SomnambulistsMovieas Man 2
2012National Theatre Live: She Stoops to ConquerMovieas Tony Lumpkin
2012DeviationMovieas Justin2011Black MirrorTV showas Oliver · 1 episodes2011Game of ThronesTV showas Rennick · 1 episodes2010SherlockTV showas Howard Shilcott · 1 episodes2010Leap YearMovieas Agent2008The InbetweenersTV showas Wolfie · 1 episodes2005Doctor WhoTV showas Marcellus · 1 episodes2003Peep ShowTV showas Games Shop Assistant · 1 episodes2002SpooksTV showas Policeman at Ruth's House · 1 episodes