Filmography
Doctor Who
2005 · Writer, Acting
Sherlock
2010 · Writer, Acting
Game of Thrones
2011 · Acting
Midsomer Murders
1997 · Acting
Agatha Christie's Poirot
1989 · Writer, Acting
QI
2003 · Acting
Agatha Christie's Marple
2004 · Acting
Inside No. 9
2014 · Acting
The Fantastic 4: First Steps
2025 · Acting
Horrible Histories
2009 · Acting
Mission: Impossible - The Final Reckoning
2025 · Acting
3 Body Problem
2024 · Acting
Who Do You Think You Are?
2004 · Acting
Good Omens
2019 · Acting
Little Britain
2003 · Acting
Friday Night with Jonathan Ross
2001 · Acting
Doctor Who Confidential
2005 · Acting
Bookish
2025 · Writer, Acting
Being Human
2009 · Acting
Mission: Impossible - Dead Reckoning Part One
2023 · Acting
Thunderbirds Are Go!
2015 · Acting
Taboo
2017 · Acting
Shaun of the Dead
2004 · Acting
Wallace & Gromit: The Curse of the Were-Rabbit
2005 · Acting
Wolf Hall
2015 · Acting
Footballers' Wives
2002 · Acting
Playhouse Presents
2012 · Acting
Time Bandits
2024 · Acting
Dracula
2020 · Writer, Acting
Spaced
1999 · Acting
The Father
2020 · Acting
A Ghost Story for Christmas
1971 · Director, Writer, Acting
The Hitchhiker's Guide to the Galaxy
2005 · Acting
Sense and Sensibility
2008 · Acting
The League of Gentlemen
1999 · Writer, Acting
Match Point
2005 · Acting
Christopher Robin
2018 · Acting
The Favourite
2018 · Acting
Moonflower Murders
2024 · Acting
Psychobitches
2013 · Acting
Jekyll
2007 · Acting
The Real History of Science Fiction
2014 · Acting
Sherlock: The Abominable Bride
2016 · Writer, Acting
Grindhouse
2007 · Acting
Nighty Night
2004 · Acting
London Spy
2015 · Acting
- No Poster
Randall & Hopkirk (Deceased)
2000 · Writer, Acting
- No Poster
Harry
1993 · Acting
Gunpowder
2017 · Acting
Funland
2005 · Acting
Mid Morning Matters with Alan Partridge
2010 · Acting
Doctor Who Extra
2014 · Acting
A History of Horror
2010 · Writer, Acting
Sally4Ever
2018 · Acting
Crooked House
2008 · Writer, Acting
Operation Mincemeat
2022 · Acting
Juice
2023 · Acting
Victor Frankenstein
2015 · Acting
Denial
2016 · Acting
Absolutely Fabulous: The Movie
2016 · Acting
Queers.
2017 · Director, Writer
The Sparks Brothers
2021 · Acting
Our Kind of Traitor
2016 · Acting
Dr Terrible's House of Horrible
2001 · Acting
Bunker
2026 · Acting
This Morning with Richard Not Judy
1998 · Acting
British Film Forever
2007 · Acting
Doctor Who Greatest Moments
2009 · Acting
The Crimson Petal and the White
2011 · Acting
The Mercy
2018 · Acting
Brexit: The Uncivil War
2019 · Acting
Mapp and Lucia
2014 · Acting
In the Red
1998 · Acting
Starter for 10
2006 · Acting
Derren Brown: Trick or Treat
2007 · Acting
Nolly
2023 · Acting
Birthday Girl
2001 · Acting
Clone
2008 · Acting
Locked Down
2021 · Acting
An Adventure in Space and Time
2013 · Writer
Dad's Army
2016 · Acting
Catterick
2004 · Acting
- No Poster
100 Greatest Scary Moments
2003 · Acting
Marvel Studios' The Fantastic Four: First Steps - World Premiere
2025 · Acting
The Dwelling Place
1994 · Acting
Doctor Who: Twice Upon a Time
2017 · Acting
Dr. Forever!
2013 · Acting
Inside Classical
2022 · Acting
Spaced: Skip to the End
2004 · Acting
Bright Young Things
2003 · Acting
The Amazing Mr. Blunden
2021 · Director, Writer, Acting
Sex Lives of the Potato Men
2004 · Acting
The League of Gentlemen's Apocalypse
2005 · Writer, Acting
The Road Dance
2022 · Acting
50 Years of BBC Two Comedy
2014 · Acting
Tales of the Uncanny
2020 · Acting
A Christmas Carol: A Ghost Story
2022 · Writer, Acting
Doctor Who Live: The Next Doctor
2013 · Acting
Inside No. 9: The Party's Over
2024 · Acting
Worried About the Boy
2010 · Acting
Robbie the Reindeer: Legend of the Lost Tribe
2002 · Acting
Cleaning Up
2011 · Acting
The Wind in the Willows
2006 · Acting
Doctor Who: A New Dimension
2005 · Acting
National Theatre Live: The Motive and the Cue
2024 · Acting
A Ghost Story for Christmas: The Mezzotint
2021 · Director, Writer
The Real Sherlock Holmes
2012 · Acting
Agatha Christie: A Life in Pictures
2004 · Acting
The Quatermass Experiment
2005 · Acting
Horror Europa with Mark Gatiss
2012 · Writer, Acting
A Ghost Story for Christmas: The Room in the Tower
2025 · Director, Writer
National Theatre Live: Coriolanus
2014 · Acting
Sherlock: Many Happy Returns
2013 · Writer
The Vote
2015 · Acting
Hammer A.D. 2023
2023 · Acting
Fear of Fanny
2006 · Acting
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'
2005 · Acting
M.R. James: Ghost Writer
2013 · Writer, Acting
PROBE: The Devil of Winterborne
1995 · Writer, Acting
The Dead Room
2018 · Director, Writer, Acting
National Theatre Live: The Madness of George III
2018 · Acting
A Ghost Story for Christmas: Lot No. 249
2023 · Director, Writer
The Painting & The Statue
2025 · Acting
The First Men in the Moon
2010 · Writer, Acting
The League of Gentlemen - Live Again!
2018 · Writer, Acting
Consenting Adults
2007 · Acting
Stranger than Fiction 2: From Script to Screen
1995 · Acting
Surrealissimo: The Trial of Salvador Dali
2002 · Acting
A Ghost Story For Christmas: Woman of Stone
2024 · Director, Writer
Mark Gatiss: A Study in Sherlock
2016 · Acting
The Tractate Middoth
2013 · Director, Writer
Bidding Adieu: A Video Diary
1996 · Acting
A Ghost Story for Christmas: Count Magnus
2022 · Director, Writer
Coalition
2015 · Acting
The Worst Journey in the World
2007 · Writer, Acting
The Web of Caves
1999 · Writer, Acting
Premium Bond with Mark Gatiss and Matthew Sweet
2015 · Acting
Doctor Who and the Third Man
2019 · Acting
Bring Something Back: The Making of 'The Quatermass Experiment'
2005 · Acting
Unlocking Sherlock
2014 · Acting
PROBE: Ghosts of Winterborne
1996 · Writer
Against the Law
2017 · Acting
PROBE: The Zero Imperative
1994 · Writer, Acting
Scandal & Beauty: Mark Gatiss on Aubrey Beardsley
2020 · Acting
Return of the Goodies
2005 · Acting
Highgate House of Horror
1995 · Director, Acting
A Ticket Too Far
Acting
Being Stanley Baxter
2025 · Acting
New Town
2009 · Acting
Martin's Close
2019 · Director, Writer
Mars: A Traveller's Guide
2017 · Acting
Spanish Flu: The Forgotten Fallen
2009 · Acting
The Kneale Tapes
2003 · Acting
- No Poster
A Ghost Story for Christmas: The Bride's Chamber
Director, Writer
Doctor Who: The Great Detective
2012 · Acting
The Hound of the Baskervilles
2023 · Acting
How to Be Sherlock Holmes: The Many Faces of a Master Detective
2014 · Acting
The League of Gentlemen Are Behind You
2006 · Writer, Acting
- No Poster
Memento Mori
2021 · Acting
Cold War Steve Meets the Outside World
2020 · Acting
Back to Black: The Making of Dracula Prince of Darkness
2012 · Acting
The Pitch of Fear
1999 · Writer, Acting
The League of Gentlemen: Live at Drury Lane
2001 · Writer, Acting
PROBE: Unnatural Selection
1996 · Writer, Acting
The Cicerones
2002 · Acting
Stranger Than Fiction 3: Acting Up
1997 · Acting
- No Poster
Ghosts in the Machine
2009 · Acting
The Celestial Toyroom
2013 · Acting
Global Conspiracy?
2004 · Writer, Acting
- No Poster
Tales from Behind the Crypt
2002 · Acting
Peter Davison: Uncut!
2022 · Acting
Mark Gatiss on John Minton: The Lost Man of British Art
2018 · Acting
A Silent Imprisonment
2021 · Acting
Unlocking Sherlock
2010 · Acting
The Kidnappers
1999 · Writer, Acting
In Search of Dracula
2020 · Acting
- No Poster
Release the Hound!
2015 · Acting
- No Poster
Cuddle
Acting