57 years old (Born on October 17, 1966)
TV and radio writer and actor; He is famous from Doctor Who, Mycroft Holmes on Sherlock (BBC Series).
In the 2007 Independent on Sunday's annual Pink List - the Top 100 powerful and influential and openly gay - Mark was a new entry at No. 80. Mark and Steven Moffat had been talking about making a drama on Sherlock Holmes for years, but it was Sue Vertue (Steven's wife) who made them sit down and create the drama "Sherlock". In 2001, Mark conducted an interview with one of his Doctor Who idols, Tom Baker, for BFI. In 2012, he stars in the play The Recruiting Office at the Donmar Warehouse. The play is directed by Josie Rourke, who recently directed his good friend David Tennant. He is very good friends with actor David Tennant, they share a lifelong love of Doctor Who. Mark was one of the first people David told that he was going to be playing The Doctor, during rehearsals for Quatermass.Mark Gatiss's Best Moments
Fun Facts About Mark Gatiss
Both of Mark's parents worked in a psychiatric hospital. Mark's job in his first year of college was as a gardener in it.
Mark once installed a fully equipped Victorian laboratory in his North London home, which stemmed from a boyhood dream.
In 2006, the University of Huddersfield awarded Mark an Honorary Doctorate of Letters.
Mark's cameo in the Doctor Who series 6 finale was credited under a fake name. He played the chess-playing viking.
Mark's first Lucifer Box novel, The Vesuvius Club, brought him a best newcomer nomination in the 2006 British Book Awards.
In 2010/2011, he acted in the play Season's Greetings at London's National Theatre. Doctor Who star Catherine Tate was his co-star.
Mark used to write for the "Doctor Who Magazine" under the pseudonym 'Sam Kisgart,' which is an anagram of 'Mark Gatiss.' He later played a character of the same name in the Doctor Who Unbound play, Sympathy for the Devil.
Mark's first Doctor Who book was written while he had no money and was sleeping on Steve Pemberton's (his fellow A League of Gentlemen member) couch.
Mark Gatiss married his partner, actor Ian Hallard, in 2007.
He has been a Doctor Who fan since he was a child, and is now one of only three people to both act and write for the show.
In 2005 he acted in the live TV drama The Quatermass Experiment.