David Fynn

Known for

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.

Best known work

Game of Thrones

2011

Sherlock

2010

Black Mirror

2011

Doctor Who

2005

Leap Year

2010

The Mauritanian

2021

Trolls Band Together

2023

Here

2024

The Inbetweeners

2008

Peep Show

2003

Filmography

2026
Believe MeTV
as DS Steve Warrilow (2 episodes)
2026
Kiloran Bay
as Dougal
2025
Watch the Skies
as Thor
2025
Harlan Coben's LazarusTV
as Seth McGovern (6 episodes)
2024
Here
as Leo Beekman
2024
Near Miss
as Jim
2024
Daddy IssuesTV
as Derek (6 episodes)
2024
Belgravia: The Next ChapterTV
as Ross (8 episodes)
2023
Trolls Band Together
as Biggie (voice)
2022
National Theatre Live: Much Ado About Nothing
as Dogberry
2022
The Thief, His Wife and the CanoeTV
as David Leigh (2 episodes)
2021
The Mauritanian
as Kent
2021
The Pembrokeshire MurdersTV
as Jonathan Hill (3 episodes)
2020
Trolls: TrollsTopiaTV
as Biggie / Mr. Dinkles (voice) (11 episodes), as Biggie (voice) (14 episodes), as Biggie / Mecha Dinkles (voice) (1 episode)
2020
Madagascar: A Little WildTV
as Sir Braxton (voice) (1 episode)
2020
Avenue 5TV
as TV Judd (6 episodes)
2019
Married Young
as David
2019
Whiskey CavalierTV
as Todd (2 episodes)
2019
I'd Like to Be Alone Now
as Sam
2018
Vanity FairTV
as Jos Sedley (7 episodes)
2017
Porn AgainTV
as Terry (4 episodes)
2014
UndateableTV
as Brett (34 episodes)
2013
Big Bad WorldTV
as Oakley (8 episodes)
2013
The Job LotTV
as Tyler Kerrigan (1 episode)
2012
The Somnambulists
as Man 2