Mark Gatiss is an English actor and screenwriter. He debuted in the comedy show The League of Gentlemen back in 1999. Later in 2001, he had his first film role in Birthday Girl. From 2003 to 2005, he starred in the sitcom Nighty Night as Glenn Bulb. He also had performances in the films Sex Lives of the Potato Men, The Hitchhiker’s Guide to the Galaxy, and Starter for 10, among others. Later in 2008, he starred as John Dashwood in the film Sense and Sensibility. From 2010 to 2017, he became widely known for his role as Mycroft Holmes in the television series Sherlock. He also portrayed Tycho Nestoris in Game of Thrones. He recently starred in the new miniseries Dracula, which he also co-created.