
Actor
David Fynn
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.
Acting

Game of Thrones
Rennick · 2011

Sherlock
Howard Shilcott · 2010

Black Mirror
Oliver · 2011

Doctor Who
Marcellus · 2005

The Mauritanian
Kent · 2021

Leap Year
Agent · 2010

Trolls Band Together
Biggie (voice) · 2023

Peep Show
Games Shop Assistant · 2003

The Inbetweeners
Wolfie · 2008

Here
Leo Beekman · 2024

Avenue 5
TV Judd · 2020

Madagascar: A Little Wild
Sir Braxton (voice) · 2020

Spooks
Policeman at Ruth's House · 2002

Whiskey Cavalier
Todd · 2019

Trolls: TrollsTopia
Biggie / Mr. Dinkles (voice) · 2020

The Pembrokeshire Murders
Jonathan Hill · 2021

Vanity Fair
Jos Sedley · 2018

Undateable
Brett · 2014

Belgravia: The Next Chapter
Ross · 2024

The Thief, His Wife and the Canoe
David Leigh · 2022

Harlan Coben's Lazarus
Seth McGovern · 2025

Daddy Issues
Derek · 2024

Believe Me
DS Steve Warrilow · 2026

National Theatre Live: Much Ado About Nothing
Dogberry · 2022