David Fynn
Acting
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.
Filmography
36 credits
Deviation
Movie • 2012
Justin
Trolls Band Together
Movie • 2023
Biggie (voice)
National Theatre Live: Much Ado About Nothing
Movie • 2022
Dogberry
Doubt on Loan
Movie • 2012
Eddie
The Somnambulists
Movie • 2012
Man 2
National Theatre Live: She Stoops to Conquer
Movie • 2012
Tony Lumpkin
Leap Year
Movie • 2010
Agent
I'd Like to Be Alone Now
Movie • 2019
Sam
The Mauritanian
Movie • 2021
Kent
Near Miss
Movie • 2024
Jim
Here
Movie • 2024
Leo Beekman
Married Young
Movie • 2019
David
Watch the Skies
Movie • 2025
Thor
Kiloran Bay
Movie
Big Bad World
TV • 2013
Oakley
Undateable
TV • 2014
Brett
Doctor Who
TV • 2005
Marcellus
Black Mirror
TV • 2011
Oliver
Sherlock
TV • 2010
Howard Shilcott
Game of Thrones
TV • 2011
Rennick
The Inbetweeners
TV • 2008
Wolfie
The Thief, His Wife and the Canoe
TV • 2022
David Leigh
Belgravia: The Next Chapter
TV • 2024
Ross
Vanity Fair
TV • 2018
Jos Sedley
Madagascar: A Little Wild
TV • 2020
Sir Braxton (voice)
Daddy Issues
TV • 2024
Derek
Spooks
TV • 2002
Policeman at Ruth's House
Trolls: TrollsTopia
TV • 2020
Biggie / Mr. Dinkles (voice)
Trolls: TrollsTopia
TV • 2020
Biggie (voice)
Trolls: TrollsTopia
TV • 2020
Biggie / Mecha Dinkles (voice)
Avenue 5
TV • 2020
TV Judd
Whiskey Cavalier
TV • 2019
Todd
Peep Show
TV • 2003
Games Shop Assistant
Harlan Coben's Lazarus
TV • 2025
Seth McGovern
The Pembrokeshire Murders
TV • 2021
Jonathan Hill
Porn Again
TV • 2017
Terry