| tv | The Hack (2025)As Nick Davies(7 episodes) | (Not seen) |
| movie | The Thursday Murder Club (2025)As Ian | (Not seen) |
| tv | Rivals (2024)As Tony Baddingham(8 episodes) | (Not seen) |
| tv | Doctor Who (2024)As The Doctor (archive footage) (uncredited)(1 episode) | (Not seen) |
| tv | Ahsoka (2023)As Huyang (voice)(8 episodes) | (Not seen) |
| tv | Marvel's Moon Girl and Devil Dinosaur (2023)As Franklin (voice)(1 episode) | (Not seen) |
| tv | Clone High (2023)As David Tennant (voice)(1 episode) | (Not seen) |
| tv | The Legend of Vox Machina (2022)As General Kreig (voice)(2 episodes) | (Not seen) |
| tv | Ant & Dec's Limitless Win (2022)As Self(1 episode) | (Not seen) |
| tv | The Sandman (2022)As Don (voice)(1 episode) | (Not seen) |
| tv | Inside Man (2022)As Harry Watling(4 episodes) | (Not seen) |
| movie | Chip 'n Dale: Rescue Rangers (2022)As Scrooge McDuck (voice) | (Not seen) |
| tv | Deadwater Fell (2020)As Tom Kendrick(4 episodes) | (Not seen) |
| tv | Des (2020)As Dennis Nilsen(3 episodes) | (Not seen) |
| tv | Good Omens (2019)As Crowley(13 episodes) | (Not seen) |
| tv | Criminal: UK (2019)As Dr. Edgar Fallon(1 episode) | (Not seen) |
| movie | How to Train Your Dragon: The Hidden World (2019)As Spitelout / Ivar the Whitless (voice) | (Not seen) |
| tv | Final Space (2018)As Lord Commander (voice)(10 episodes) | (Not seen) |
| tv | Hang Ups (2018)As Martin Lamb(1 episode) | (Not seen) |
| movie | Bad Samaritan (2018)As Cale Erendreich | (Not seen) |
| movie | Mary Queen of Scots (2018)As John Knox | (Not seen) |
| movie | Ferdinand (2017)As Angus (voice) | (Not seen) |
| tv | Dragons: Race to the Edge (2015)As Spitelout (voice)(12 episodes) | (Not seen) |
| tv | Marvel's Jessica Jones (2015)As Kilgrave(15 episodes) | (Not seen) |
| movie | "Doctor Who" The Husbands of River Song (2015) (AKA "Doctor Who: The Husbands of River Song")As The Doctor (10) (picture) (uncredited) | (Not seen) |
| tv | Gracepoint (2014)As Emmett Carver(10 episodes) | (Not seen) |
| tv | The Escape Artist (2013)As Will Burton(3 episodes) | (Not seen) |
| tv | Broadchurch (2013)As DI Alec Hardy(24 episodes) | (Not seen) |
| tv | Gogglebox (2013)As Self(1 episode) | (Not seen) |
| movie | "Doctor Who" The Day of the Doctor (2013) (AKA "Doctor Who: The Day of the Doctor")As The Doctor (10) | (Not seen) |
| tv | DreamWorks Dragons (2012)As Spitelout (voice)(2 episodes) | (Not seen) |
| movie | The Pirates! Band of Misfits (2012) (AKA "The Pirates! In an Adventure with Scientists!")As Charles Darwin (voice) | (Not seen) |
| tv | Twenty Twelve (2011)As Narrator (voice)(13 episodes) | (Not seen) |
| movie | Fright Night (2011)As Peter Vincent | (Not seen) |
| movie | How to Train Your Dragon (2010) (AKA "Dragons")As Spitelout (voice) | (Not seen) |
| movie | "Doctor Who" Planet of the Dead (2009) (AKA "Doctor Who: Planet of the Dead")As The Doctor | (Not seen) |
| tv | Star Wars: The Clone Wars (2008)As Huyang (voice)(2 episodes) | (Not seen) |
| tv | The Graham Norton Show (2007)As Self(9 episodes) | (Not seen) |
| tv | Doctor Who (2005)As Doctor (10)(40 episodes) | (Not seen) |
| movie | Harry Potter and the Goblet of Fire (2005)As Barty Crouch Junior | (Not seen) |
| tv | Big Fat Quiz (2004)As Self - Guest(1 episode) | (Not seen) |
| tv | QI (2003)As Self(1 episode) | (Not seen) |
| tv | Top Gear (2002)As Self(2 episodes) | (Not seen) |
| movie | Jude (1996)As Drunk Undergraduate | (Not seen) |
| tv | The Simpsons (1989)As Pa MacWeldon (voice)(1 episode) | (Not seen) |