Mark Gatiss

Doctor Who and the Third Man

as Himself

Brexit: The Uncivil War

as Peter Mandelson (voice)

The Dead Room

as Radio Announcer (voice)

The Favourite

as Lord Marlborough

National Theatre Live: The Madness of George III

as George III

Mark Gatiss on John Minton: The Lost Man of British Art

as Himself - Presenter

Christopher Robin

as Giles Winslow

The Mercy

as Ronald Hall

Doctor Who: Twice Upon a Time

as The Captain

Mars: a Traveller's Guide

as Narrator

Against the Law

as Dr. Landers

Denial

as Professor Robert Jan van Pelt

Absolutely Fabulous: The Movie

as Joel

Our Kind of Traitor

as Billy Matlock

Dad's Army

as Colonel Theakes

Mark Gatiss: A Study in Sherlock

as Himself

Sherlock: The Abominable Bride

as Mycroft Holmes

Victor Frankenstein

as Dettweiler

Premium Bond with Mark Gatiss and Matthew Sweet

as Himself

The Vote

as Steven Crosswell

Release the Hound!

as Self

Coalition

as Peter Mandelson

50 Years of BBC Two Comedy

as Self

National Theatre Live: Coriolanus

as Menenius Agrippa

Unlocking Sherlock

as Himself / Mark Gatiss

How to Be Sherlock Holmes: The Many Faces of a Master Detective

as Self

M.R. James: Ghost Writer

as Presenter

Doctor Who Live: The Next Doctor

as Self

The Celestial Toyroom

Doctor Who: The Great Detective

as Narrator

Horror Europa with Mark Gatiss

as Self - Host

The Real Sherlock Holmes

as Self

Back to Black: The Making of Dracula Prince of Darkness

as Self - Actor and Writer

Cleaning Up

as Mr Jackson

The First Men in the Moon

as Cavor

Unlocking Sherlock

as Himself

Worried About the Boy

as Malcolm McLaren

Ghosts in the Machine

as Himself

Spanish Flu: The Forgotten Fallen

as Ernest Dunks

New Town

as Duff Purves

Consenting Adults

as PC Butcher

The Worst Journey in the World

as Apsley Cherry-Garrard

Grindhouse

as (segment "Don't") (uncredited)

The Wind in the Willows

as Rat

The League of Gentlemen Are Behind You

as 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

Fear of Fanny

as Johnnie Cradock

Starter for 10

as Bamber Gascoigne

Return of the Goodies

as Himself

Match Point

as Ping-Pong Player

Bring Something Back: The Making of 'The Quatermass Experiment'

Wallace & Gromit: The Curse of the Were-Rabbit

as Miss Blight (voice)

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'

as Self - The League of Gentlemen

The League of Gentlemen's Apocalypse

as Various Characters

The Hitchhiker's Guide to the Galaxy

as Additional Vogon Voices

The Quatermass Experiment

as John Paterson

Doctor Who: A New Dimension

as Self

Agatha Christie: A Life in Pictures

as Kenyon

Global Conspiracy?

as Terry Scanlon

Spaced: Skip to the End

as Self

Shaun of the Dead

as Radio Presenter With 'Spaceship' Theory / Wildlife voiceover (voice) (uncredited)

Sex Lives of the Potato Men

as Jeremy

The Kneale Tapes

as Self

Bright Young Things

as House Agent

Robbie the Reindeer: Legend of the Lost Tribe

as Viking (voice)

Surrealissimo: The Trial of Salvador Dali

as Louis Aragon

The Cicerones

as John Trant

Tales from Behind the Crypt

as Self

The League of Gentlemen: Live at Drury Lane

as various

Birthday Girl

as Porter

The Web of Caves

as The Doctor

The Kidnappers

as Mark

The Pitch of Fear

as Mr. Borusa

Stranger Than Fiction 3: Acting Up

PROBE: Unnatural Selection

as Mr. Emerson

Bidding Adieu: A Video Diary

as Self - Interviewer

PROBE: The Devil of Winterborne

as Georgie

Stranger than Fiction 2: From Script to Screen

Highgate House of Horror

as Mr Banham

PROBE: The Zero Imperative

as Dr. William Bruffin