Mark Gatiss Joins Game Of Thrones Season 4 (Comic-Con 2013)

Mark Gatiss Joins Game Of Thrones Season 4 (Comic-Con 2013)

“Sherlock Holmes” star Mark Gatiss chats with Access about joining the cast of “Game of Thrones” and how much fun he had filming the HBO series. Also, his lips were sealed tight regarding questions about the character he will portray.