Game of Thrones
Tycho Nestoris
Shaun of the Dead
Radio Presenter With 'Spaceship' Theory / Wildlife voiceover (voice) (uncredited)
Sherlock
Mycroft Holmes
The Favourite
Lord Marlborough
Mission: Impossible - Dead Reckoning Part One
NSA
Match Point
Ping-Pong Player
The Hitchhiker's Guide to the Galaxy
Additional Vogon Voices
The Fantastic 4: First Steps
Ted Gilbert
The Father
The Man
Doctor Who
Gantok
Mission: Impossible - The Final Reckoning
Angstrom
Wallace & Gromit: The Curse of the Were-Rabbit
Miss Blight (voice)
Christopher Robin
Giles Winslow
Good Omens
Mr. Harmony
Sherlock: The Abominable Bride
Mycroft Holmes
Victor Frankenstein
Dettweiler
Grindhouse
(segment "Don't") (uncredited)
3 Body Problem
Isaac Newton
Taboo
Prince Regent
Dracula
Frank Renfield
Operation Mincemeat
Ivor Montazac
Denial
Professor Robert Jan van Pelt
Our Kind of Traitor
Billy Matlock
Agatha Christie's Poirot
Leonard Boynton
Spaced
Agent
Starter for 10
Bamber Gascoigne
Birthday Girl
Porter
Midsomer Murders
Rev Giles Shawcross
Brexit: The Uncivil War
Peter Mandelson (voice)
Locked Down
Donald
The Mercy
Ronald Hall
QI
Self
Inside No. 9
Callum
Absolutely Fabulous: The Movie
Joel
Little Britain
Being Human
Mr. Snow
Dad's Army
Colonel Theakes
Gunpowder
Sir Robert Cecil
Time Bandits
Earl of Sandwich
Wolf Hall
Stephen Gardiner
Agatha Christie's Marple
Ronald Hawes
London Spy
Rich
Doctor Who: Twice Upon a Time
The Captain
The League of Gentlemen
Various
Sense and Sensibility
John Dashwood
The Sparks Brothers
Self
Jekyll
Robert Louis Stevenson
The League of Gentlemen's Apocalypse
Various Characters
Bright Young Things
House Agent
Horrible Histories
Unlocking Sherlock
Himself / Mark Gatiss
Thunderbirds Are Go!
Dr. Quentin Questa (voice)
The Road Dance
Doctor MacLean
Bookish
Gabriel Book
The Amazing Mr. Blunden
Mr. Wickens
The Crimson Petal and the White
Henry Rackham Junior
Nighty Night
Glenn Bulb
Worried About the Boy
Malcolm McLaren
Doctor Who Confidential
Sex Lives of the Potato Men
Jeremy
National Theatre Live: Coriolanus
Menenius Agrippa
Nolly
Larry Grayson
The First Men in the Moon
Cavor
Friday Night with Jonathan Ross
Self
Against the Law
Dr. Landers
Who Do You Think You Are?
Self
Sally4Ever
Doctor
Return of the Goodies
Himself
Moonflower Murders
Frank Parris / Oscar Berlin
Crooked House
The Curator
Mid Morning Matters with Alan Partridge
Marvel Studios' The Fantastic Four: First Steps - World Premiere
Ted Gilbert (archive footage) (uncredited)
The Real History of Science Fiction
Himself - Narrator (voice)
A History of Horror
Self - Presenter
Footballers' Wives
Teddy - Agent
The League of Gentlemen: Live at Drury Lane
various
The Quatermass Experiment
John Paterson
Juice
George
Mapp and Lucia
Major Benjamin 'Benjy' Flint
Horror Europa with Mark Gatiss
Self - Host
Spaced: Skip to the End
Self
Catterick
Peter
Tales of the Uncanny
Self
Psychobitches
Joan Crawford
Robbie the Reindeer: Legend of the Lost Tribe
Viking (voice)
Randall & Hopkirk (Deceased)
The Wind in the Willows
Rat
Agatha Christie: A Life in Pictures
Kenyon
The Dead Room
Radio Announcer (voice)
National Theatre Live: The Madness of George III
George III
Doctor Who Greatest Moments
Self
Derren Brown: Trick or Treat
Himself
Funland
Ambrose Chapfel
Fear of Fanny
Johnnie Cradock
Coalition
Peter Mandelson
Consenting Adults
PC Butcher
A Ghost Story for Christmas
Radio Presenter (Voice)
In the Red
Junior Detective
A Christmas Carol: A Ghost Story
Jacob Marley
The Vote
Steven Crosswell
PROBE: The Zero Imperative
Dr. William Bruffin
Surrealissimo: The Trial of Salvador Dali
Louis Aragon
Mark Gatiss: A Study in Sherlock
Himself
In Search of Dracula
Himself - Presenter
This Morning with Richard Not Judy
Dr Terrible's House of Horrible
Hang Man Chang
The League of Gentlemen Are Behind You
Hilary Briss / Mickey Michaels / Val Denton / Les McQueen / Lance Longthorne / Alvin Steele / Phil Proctor / Mrs Beasley / Mick McNamara / Neds / Lotte Lipp / Brian Morgan / Dr Chinnery / Iris Krell / Bobbin
PROBE: Unnatural Selection
Mr. Emerson
PROBE: The Devil of Winterborne
Georgie
Doctor Who: The Great Detective
Narrator
National Theatre Live: The Motive and the Cue
Sir John Gielgud
Mars: a Traveller's Guide
Narrator
Inside No. 9: The Party's Over
Self
The Dwelling Place
Bowmer
The Cicerones
John Trant
Spanish Flu: The Forgotten Fallen
Ernest Dunks
M.R. James: Ghost Writer
Presenter
50 Years of BBC Two Comedy
Self
Harry
Diner Manager
Hammer A.D. 2023
Self
Cleaning Up
Mr Jackson
Doctor Who: A New Dimension
Self
The Real Sherlock Holmes
Self
The Worst Journey in the World
Apsley Cherry-Garrard
Bidding Adieu: A Video Diary
Self - Interviewer
Doctor Who Live: The Next Doctor
Self
Back to Black: The Making of Dracula Prince of Darkness
Self - Actor and Writer
Highgate House of Horror
Mr Banham
Unlocking Sherlock
Himself
Clone
Colonel Black
British Film Forever
The Hound of the Baskervilles
Sherlock Holmes
Stranger than Fiction 2: From Script to Screen
Premium Bond with Mark Gatiss and Matthew Sweet
Himself
Global Conspiracy?
Terry Scanlon
The Web of Caves
The Doctor
The Kidnappers
Mark
The Pitch of Fear
Mr. Borusa
Bring Something Back: The Making of 'The Quatermass Experiment'
Dr. Forever!
Himself
Playhouse Presents
Joan Crawford
Memento Mori
Henry Huxley
Stranger Than Fiction 3: Acting Up
A Silent Imprisonment
Mr Murphy
Ghosts in the Machine
Himself
The Kneale Tapes
Self
Peter Davison: Uncut!
Self
Mark Gatiss on John Minton: The Lost Man of British Art
Himself - Presenter
New Town
Duff Purves
Scandal & Beauty: Mark Gatiss on Aubrey Beardsley
Self
Doctor Who and the Third Man
Himself
Release the Hound!
Self
Cold War Steve Meets the Outside World
Self
Don't Crash: The Documentary of the Making of the Movie of the Book of the Radio Series of 'The Hitchhiker's Guide to the Galaxy'
Self - The League of Gentlemen
How to Be Sherlock Holmes: The Many Faces of a Master Detective
Self
The Celestial Toyroom
Tales from Behind the Crypt
Self
Being Stanley Baxter
Self
The Painting & The Statue
Old Lord/Butler 'Smith'/Dancing Man/Old Lord 'Johnny'
Bunker
Simon
The League of Gentlemen - Live Again!
Multiple Characters
Doctor Who Extra
Self
Inside Classical
Sherlock Holmes
