How old was Mark Gatiss in Sherlock?
43 to 50
Mark Gatiss - Born 17 October 1966, is an English actor, comedian, screenwriter and novelist. He is known as 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.
A modern update finds the famous sleuth and his doctor partner solving crime in 21st century London.