Actor profile

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.

13 Movies 23 TV Shows 38 Credits

Filmography

Movies & TV Shows

Kiloran Bay poster

Kiloran Bay 25th March 2026 as Dougal

Watch the Skies poster

Watch the Skies 1st November 2025 as Thor

Here poster

Here 30th October 2024 as Leo Beekman

Near Miss poster

Near Miss 1st October 2024 as Jim

Trolls Band Together poster

Trolls Band Together 12th October 2023 as Biggie (voice)

National Theatre Live: Much Ado About Nothing poster

National Theatre Live: Much Ado About Nothing 8th September 2022 as Dogberry

The Mauritanian poster

The Mauritanian 12th February 2021 as Kent

Married Young poster

Married Young 25th October 2019 as David

I'd Like to Be Alone Now poster

I'd Like to Be Alone Now 8th February 2019 as Sam

The Somnambulists poster

The Somnambulists 30th April 2012 as Man 2

National Theatre Live: She Stoops to Conquer poster

National Theatre Live: She Stoops to Conquer 29th March 2012 as Tony Lumpkin

Deviation poster

Deviation 24th February 2012 as Justin

Leap Year poster

Leap Year 8th January 2010 as Agent

Believe Me poster

Believe Me 10th May 2026 as DS Steve Warrilow

Harlan Coben's Lazarus poster

Harlan Coben's Lazarus 22nd October 2025 as Seth McGovern

Daddy Issues poster

Daddy Issues 15th August 2024 as Derek

Belgravia: The Next Chapter poster

Belgravia: The Next Chapter 14th January 2024 as Ross

The Thief, His Wife and the Canoe poster

The Thief, His Wife and the Canoe 17th April 2022 as David Leigh

The Pembrokeshire Murders poster

The Pembrokeshire Murders 11th January 2021 as Jonathan Hill

Trolls: TrollsTopia poster

Trolls: TrollsTopia 19th November 2020 as Biggie / Mr. Dinkles (voice)

Trolls: TrollsTopia poster

Trolls: TrollsTopia 19th November 2020 as Biggie (voice)

Trolls: TrollsTopia poster

Trolls: TrollsTopia 19th November 2020 as Biggie / Mecha Dinkles (voice)

Madagascar: A Little Wild poster

Madagascar: A Little Wild 7th September 2020 as Sir Braxton (voice)

Avenue 5 poster

Avenue 5 19th January 2020 as TV Judd

Whiskey Cavalier poster

Whiskey Cavalier 27th February 2019 as Todd

Vanity Fair poster

Vanity Fair 2nd September 2018 as Jos Sedley

Undateable poster

Undateable 29th May 2014 as Brett

Big Bad World poster

Big Bad World 21st August 2013 as Oakley

The Job Lot poster

The Job Lot 29th April 2013 as Tyler Kerrigan

Black Mirror poster

Black Mirror 4th December 2011 as Oliver

Game of Thrones poster

Game of Thrones 17th April 2011 as Rennick

Sherlock poster

Sherlock 25th July 2010 as Howard Shilcott

The Inbetweeners poster

The Inbetweeners 1st May 2008 as Wolfie

Doctor Who poster

Doctor Who 26th March 2005 as Marcellus

Peep Show poster

Peep Show 19th September 2003 as Games Shop Assistant

Spooks poster

Spooks 13th May 2002 as Policeman at Ruth's House