Chris O'Dowd
- On the Edge
2027 (voice)
- The Sheep Detectives
2026 Mopple (voice)
- Artificial
2026 John
- Me, Myself, and Mary
2026 Séamas O'Reilly (voice)
- National Theatre Live: The Brightening Air
2025 Dermot
- Small Town, Big Story
2025 Director
- Puffin Rock and the New Friends
2023 Narrator (voice)
- The Big Door Prize
2023 Dusty
- My Father's Dragon
2022 Kwan the Macaque (voice)
- Slumberland
2022 Phillip
- Human Resources
2022 Flanny O'Lympic (voice)
- National Theatre Live: Constellations
2021 Roland
- The Starling
2021 Jack Maynard
- How to Build a Girl
2020 Alan 'Wilko' Wilkinson
- Here We Are: Notes for Living on Planet Earth
2020 Finn's Dad (voice)
- State of the Union
2019 Tom
- The Cloverfield Paradox
2018 Mundy
- Love After Love
2018 Nicholas
- Juliet, Naked
2018 Duncan Thomson
- Mary Poppins Returns
2018 Shamus the Coachman (voice)
- Loving Vincent
2017 Postman Joseph Roulin
- Molly's Game
2017 Douglas Downey
- The Incredible Jessica James
2017 Boone
- Get Shorty
2017 Miles Daly
- Mascots
2016 Tommy 'Zook' Zucarello
- The Program
2015 David Walsh
- Puffin Rock
2015 Narrator (voice)
- Calvary
2014 Jack Brennan
- Cuban Fury
2014 Drew
- St. Vincent
2014 Brother Geraghty
- Monsters vs Aliens: Creature Features
2014 Dr. Cockroach Ph.D.
- National Theatre Live: Of Mice and Men
2014 Lennie
- The Double
2014 Nurse
- Thor: The Dark World
2013 Richard
- Monsters Vs Aliens: Cloning Around
2013 Dr. Cockroach (voice)
- Epic
2013 Grub (voice)
- Monsters vs. Aliens
2013 Dr. Cockroach Ph.D.
- Family Tree
2013 Tom Chadwick
- Friends with Kids
2012 Alex
- 3, 2, 1... Frankie Go Boom
2012 Bruce
- This Is 40
2012 Ronnie
- The Sapphires
2012 Dave Lovelace
- Girls
2012 Thomas-John
- Moone Boy
2012 Creator
- Bridesmaids
2011 Rhodes
- The Crimson Petal and the White
2011 William Rackham
- Black Mirror
2011 Mike
- Gulliver's Travels
2010 General Edward
- Dinner for Schmucks
2010 Marco
- Little Crackers
2010 Writer
- The Boat That Rocked
2009 Simon
- FM
2009 Lindsay Carol
- How to Lose Friends & Alienate People
2008 Post Modern Review Staff
- Hotel Very Welcome
2007 Liam
- Roman's Empire
2007 Jase
- The Amazing Mrs Pritchard
2006 Headmaster
- The IT Crowd
2006 Roy Trenneman
- Festival
2005 Tommy O'Dwyer
- The Year London Blew Up
2005 Brendan Dowd
- Vera Drake
2004 Sid's Customer
- Conspiracy of Silence
2003 James
- The Clinic
2003 Brendan Davenport
- Red Cap
2003 Bernie Maddox
- Family Guy
1999 Guard / Contestant (voice)
- The Simpsons
1989 Seamus (voice)
- Ceasefire
Niall O'Dowd
