David Fynn

David Fynn

Acting

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

Believe Me
Series
Believe Me2026 · DS Steve Warrilow
Kiloran Bay
Movie
Kiloran Bay2026 · Dougal
Watch the Skies
Movie
Watch the Skies2025 · Thor
Harlan Coben's Lazarus
Series
Harlan Coben's Lazarus2025 · Seth McGovern
Here
Movie
Here2024 · Leo Beekman
Near Miss
Movie
Near Miss2024 · Jim
Daddy Issues
Series
Daddy Issues2024 · Derek
Belgravia: The Next Chapter
Series
Belgravia: The Next Chapter2024 · Ross
Trolls Band Together
Movie
Trolls Band Together2023 · Biggie (voice)
National Theatre Live: Much Ado About Nothing
Movie
National Theatre Live: Much Ado About Nothing2022 · Dogberry
The Thief, His Wife and the Canoe
Series
The Thief, His Wife and the Canoe2022 · David Leigh
Am I Being Unreasonable?
Series
Am I Being Unreasonable?2022 · Alex
The Mauritanian
Movie
The Mauritanian2021 · Kent
The Pembrokeshire Murders
Series
The Pembrokeshire Murders2021 · Jonathan Hill
Trolls: TrollsTopia
Series
Trolls: TrollsTopia2020 · Biggie / Mr. Dinkles (voice)
Madagascar: A Little Wild
Series
Madagascar: A Little Wild2020 · Sir Braxton (voice)
Avenue 5
Series
Avenue 52020 · TV Judd
Married Young
Movie
Married Young2019 · David
Whiskey Cavalier
Series
Whiskey Cavalier2019 · Todd
I'd Like to Be Alone Now
Movie
I'd Like to Be Alone Now2019 · Sam
Vanity Fair
Series
Vanity Fair2018 · Jos Sedley
Porn Again
Series
Porn Again2017 · Terry
Undateable
Series
Undateable2014 · Brett
Big Bad World
Series
Big Bad World2013 · Oakley
The Job Lot
Series
The Job Lot2013 · Tyler Kerrigan
The Somnambulists
Movie
The Somnambulists2012 · Man 2
National Theatre Live: She Stoops to Conquer
Movie
National Theatre Live: She Stoops to Conquer2012 · Tony Lumpkin
Doubt on Loan
Movie
Doubt on Loan2012 · Eddie
Deviation
Movie
Deviation2012 · Justin
Black Mirror
Series
Black Mirror2011 · Oliver
Game of Thrones
Series
Game of Thrones2011 · Rennick
Sherlock
Series
Sherlock2010 · Howard Shilcott
Leap Year
★ 6.4Movie
Leap Year2010 · Agent
The Inbetweeners
Series
The Inbetweeners2008 · Wolfie
Doctor Who
Series
Doctor Who2005 · Marcellus
Peep Show
Series
Peep Show2003 · Games Shop Assistant
Spooks
Series
Spooks2002 · Policeman at Ruth's House