Mark Gatiss
Mission: Impossible - The Final Reckoning(2025)
Angstrom
The Fantastic 4: First Steps(2025)
Ted Gilbert
Marvel Studios' The Fantastic Four: First Steps - World Premiere(2025)
Ted Gilbert (archive footage) (uncredited)
A Ghost Story for Christmas: The Room in the Tower(2025)
National Theatre Live: The Motive and the Cue(2024)
Sir John Gielgud
A Ghost Story For Christmas: Woman of Stone(2024)
The Hound of the Baskervilles(2023)
Sherlock Holmes
Mission: Impossible - Dead Reckoning Part One(2023)
NSA
A Ghost Story for Christmas: Lot No. 249(2023)
A Christmas Carol: A Ghost Story(2022)
Operation Mincemeat(2022)
Ivor Montazac
The Road Dance(2022)
Doctor MacLean
A Ghost Story for Christmas: Count Magnus(2022)
Memento Mori(2021)
Henry Huxley
A Silent Imprisonment(2021)
Mr Murphy
The Amazing Mr. Blunden(2021)
Locked Down(2021)
Donald
A Ghost Story for Christmas: The Mezzotint(2021)
The Father(2020)
The Man
In Search of Dracula(2020)
Himself - Presenter
Brexit: The Uncivil War(2019)
Peter Mandelson (voice)
Doctor Who and the Third Man(2019)
Himself
Martin's Close(2019)
The Dead Room(2018)
The Favourite(2018)
Lord Marlborough
Christopher Robin(2018)
Giles Winslow
The Mercy(2018)
Ronald Hall
National Theatre Live: The Madness of George III(2018)
George III
Mark Gatiss on John Minton: The Lost Man of British Art(2018)
Himself - Presenter
The League of Gentlemen - Live Again!(2018)
Various Characters
The League of Gentlemen - Live Again!(2018)
Against the Law(2017)
Dr. Landers
Doctor Who: Twice Upon a Time(2017)
The Captain
Mars: a Traveller's Guide(2017)
Narrator
Dad's Army(2016)
Colonel Theakes
Sherlock: The Abominable Bride(2016)
Our Kind of Traitor(2016)
Billy Matlock
Denial(2016)
Professor Robert Jan van der Pelt
Absolutely Fabulous: The Movie(2016)
Joel
Mark Gatiss: A Study in Sherlock(2016)
Himself
Victor Frankenstein(2015)
Dettweiler
Coalition(2015)
Peter Mandelson
The Vote(2015)
Steven Crosswell
Premium Bond with Mark Gatiss and Matthew Sweet(2015)
Himself
Unlocking Sherlock(2014)
Himself / Mark Gatiss
National Theatre Live: Coriolanus(2014)
Menenius Agrippa
M.R. James: Ghost Writer(2013)
The Celestial Toyroom(2013)
An Adventure in Space and Time(2013)
The Tractate Middoth(2013)
Sherlock: Many Happy Returns(2013)
Doctor Who: The Great Detective(2012)
Narrator
Horror Europa with Mark Gatiss(2012)
Cleaning Up(2011)
Mr Jackson
The First Men in the Moon(2010)
Worried About the Boy(2010)
Malcolm McLaren
Unlocking Sherlock(2010)
Himself
Ghosts in the Machine(2009)
Himself
Spanish Flu: The Forgotten Fallen(2009)
Ernest Dunks
New Town(2009)
Duff Purves
Consenting Adults(2007)
PC Butcher
The Worst Journey in the World(2007)
Grindhouse(2007)
(segment "Don't") (uncredited)
A New Body at Last(2007)
The League of Gentlemen Are Behind You(2006)
Starter for 10(2006)
Bamber Gascoigne
The Wind in the Willows(2006)
Rat
Fear of Fanny(2006)
Johnnie Cradock
Wallace & Gromit: The Curse of the Were-Rabbit(2005)
Miss Blight (voice)
The Quatermass Experiment(2005)
John Paterson
The League of Gentlemen's Apocalypse(2005)
Match Point(2005)
Ping-Pong Player
The Hitchhiker's Guide to the Galaxy(2005)
Additional Vogon Voices
Return of the Goodies(2005)
Himself
Bring Something Back: The Making of 'The Quatermass Experiment'(2005)
Agatha Christie: A Life in Pictures(2004)
Kenyon
Sex Lives of the Potato Men(2004)
Jeremy
Shaun of the Dead(2004)
Radio Presenter With 'Spaceship' Theory / Wildlife voiceover (voice) (uncredited)
Global Conspiracy?(2004)
Bright Young Things(2003)
House Agent
The Cicerones(2002)
John Trant
Robbie the Reindeer: Legend of the Lost Tribe(2002)
Viking (voice)
Surrealissimo: The Trial of Salvador Dali(2002)
Louis Aragon
Birthday Girl(2001)
Porter
The League of Gentlemen: Live at Drury Lane(2001)
The Kidnappers(1999)
The Pitch of Fear(1999)
The Web of Caves(1999)
Stranger Than Fiction 3: Acting Up(1997)
PROBE: Unnatural Selection(1996)
PROBE: Ghosts of Winterborne(1996)
Stranger than Fiction 2: From Script to Screen(1995)
Highgate House of Horror(1995)
PROBE: The Devil of Winterborne(1995)
PROBE: The Zero Imperative(1994)
The Painting & The Statue
Old Lord/Butler 'Smith'/Dancing Man/Old Lord 'Johnny'