David Fynn
View on IMDb ↗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.
Known for
Sherlock
Trolls: TrollsTopia
Game of Thrones
Black Mirror
Peep Show
Spooks
The Inbetweeners
Doctor Who
Belgravia: The Next Chapter
The MauritanianFilmography (36)
- 2026
Believe MeDS Steve Warrilow - 2026
Kiloran BayDougal - 2025
Harlan Coben's LazarusSeth McGovern - 2025
Watch the SkiesThor - 2024
Belgravia: The Next ChapterRoss - 2024
Daddy IssuesDerek - 2024
HereLeo Beekman - 2024
Near MissJim - 2023
Trolls Band TogetherBiggie (voice) - 2022
The Thief, His Wife and the CanoeDavid Leigh - 2022
National Theatre Live: Much Ado About NothingDogberry - 2021
The MauritanianKent - 2021
The Pembrokeshire MurdersJonathan Hill - 2020
Trolls: TrollsTopiaBiggie / Mr. Dinkles (voice) - 2020
Madagascar: A Little WildSir Braxton (voice) - 2020
Avenue 5TV Judd - 2019
Whiskey CavalierTodd - 2019
I'd Like to Be Alone NowSam - 2019
Married YoungDavid - 2018
Vanity FairJos Sedley - 2017Porn AgainTerry
- 2014
UndateableBrett - 2013
The Job LotTyler Kerrigan - 2013
Big Bad WorldOakley - 2012
DeviationJustin - 2012
The SomnambulistsMan 2 - 2012Doubt on LoanEddie
- 2012
National Theatre Live: She Stoops to ConquerTony Lumpkin - 2011
Game of ThronesRennick - 2011
Black MirrorOliver - 2010
SherlockHoward Shilcott - 2010
Leap YearAgent - 2008
The InbetweenersWolfie - 2005
Doctor WhoMarcellus - 2003
Peep ShowGames Shop Assistant - 2002
SpooksPoliceman at Ruth's House