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
Cast Credits

Harlan Coben's Lazarus
Character: Seth McGovern
TV • 2025

Here
Character: Leo Beekman
MOVIE • 2024

Near Miss
Character: Jim
MOVIE • 2024

Daddy Issues
Character: Derek
TV • 2024

Belgravia: The Next Chapter
Character: Ross
TV • 2024

Trolls Band Together
Character: Biggie (voice)
MOVIE • 2023

National Theatre Live: Much Ado About Nothing
Character: Dogberry
MOVIE • 2022

The Thief, His Wife and the Canoe
Character: David Leigh
TV • 2022

The Mauritanian
Character: Kent
MOVIE • 2021

The Pembrokeshire Murders
Character: Jonathan Hill
TV • 2021

Trolls: TrollsTopia
Character: Biggie / Mr. Dinkles (voice)
TV • 2020

Trolls: TrollsTopia
Character: Biggie (voice)
TV • 2020

Trolls: TrollsTopia
Character: Biggie / Mecha Dinkles (voice)
TV • 2020

Madagascar: A Little Wild
Character: Sir Braxton (voice)
TV • 2020

Avenue 5
Character: TV Judd
TV • 2020

Married Young
Character: David
MOVIE • 2019

Whiskey Cavalier
Character: Todd
TV • 2019

I'd Like to Be Alone Now
Character: Sam
MOVIE • 2019

Vanity Fair
Character: Jos Sedley
TV • 2018
Porn Again
Character: Terry
TV • 2017