Mark Gatiss
Mark Gatiss (/ˈɡeɪtɪs/ GAY-tis; born 17 October 1966) is an English actor, comedian, screenwriter and novelist. He is a member of the comedy team The League of Gentlemen alongside Reece Shearsmith, Steve Pemberton and co-writer Jeremy Dyson, and has both written for and acted in the TV series Doctor Who and Sherlock, the latter of which he also co-created.