Mark Gatiss and Lena Headey in Game of Thrones (2011)

Mark Gatiss and Benedict Cumberbatch in Sherlock (2010)

Mark Gatiss, James McAvoy, Benedict Cumberbatch, Elaine Tan, and Alice Eve in Starter for 10 (2006)

Mark Gatiss and Ben Whishaw in London Spy (2015)

Mark Gatiss in Inspector George Gently (2007)

Mark Gatiss in The League of Gentlemen (1999)

Christopher Eccleston, Mark Gatiss, Steve Pemberton, and Reece Shearsmith in The League of Gentlemen (1999)

Mark Gatiss, Steve Pemberton, and Reece Shearsmith in The League of Gentlemen (1999)

Mark Gatiss and Reece Shearsmith in The League of Gentlemen (1999)

Mark Gatiss in Sense & Sensibility (2008)

Bob Hoskins, Mark Gatiss, Lee Ingleby, and Matt Lucas in The Wind in the Willows (2006)

Mark Gatiss, Steve Pemberton, and Reece Shearsmith in The League of Gentlemen: Live at Drury Lane (2001)