Mark Gatiss: A Study in Sherlock

Mark Gatiss, who co-created "Sherlock" and plays Mycroft Holmes, discusses the show with Benedict Cumberbatch, Martin Freeman, and others in the cast.
Media
Backdrops and posters from the title's official gallery
Mark Gatiss: A Study in Sherlock

Mark Gatiss, who co-created "Sherlock" and plays Mycroft Holmes, discusses the show with Benedict Cumberbatch, Martin Freeman, and others in the cast.
Backdrops and posters from the title's official gallery