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

Movies (14)

Kiloran Bay
2026
Dougal
Watch the Skies
2025
Thor
Here
2024
Leo Beekman
Near Miss
2024
Jim
Trolls Band Together
2023
Biggie (voice)
National Theatre Live: Much Ado About Nothing
2022
Dogberry
The Mauritanian
2021
Kent
Married Young
2019
David
I'd Like to Be Alone Now
2019
Sam
The Somnambulists
2012
Man 2
National Theatre Live: She Stoops to Conquer
2012
Tony Lumpkin
Doubt on Loan
2012
Eddie
Deviation
2012
Justin
Leap Year
2010
Agent

Shows (22)

Believe Me
2026
DS Steve Warrilow
Harlan Coben's Lazarus
2025
Seth McGovern
Daddy Issues
2024
Derek
Belgravia: The Next Chapter
2024
Ross
The Thief, His Wife and the Canoe
2022
David Leigh
The Pembrokeshire Murders
2021
Jonathan Hill
Trolls: TrollsTopia
2020
Biggie / Mr. Dinkles (voice)
Madagascar: A Little Wild
2020
Sir Braxton (voice)
Avenue 5
2020
TV Judd
Whiskey Cavalier
2019
Todd
Vanity Fair
2018
Jos Sedley
Porn Again
2017
Terry
Undateable
2014
Brett
Big Bad World
2013
Oakley
The Job Lot
2013
Tyler Kerrigan
Black Mirror
2011
Oliver
Game of Thrones
2011
Rennick
Sherlock
2010
Howard Shilcott
The Inbetweeners
2008
Wolfie
Doctor Who
2005
Marcellus
Peep Show
2003
Games Shop Assistant
Spooks
2002
Policeman at Ruth's House