Mark Gatiss: A Study in Sherlock (2016)
Mark Gatiss, who co-created "Sherlock" and plays Mycroft Holmes, discusses the show with Benedict Cumberbatch, Martin Freeman, and others in the cast.
Mark Gatiss, who co-created "Sherlock" and plays Mycroft Holmes, discusses the show with Benedict Cumberbatch, Martin Freeman, and others in the cast.