Game of Thrones will add a bit of elementary to Season 4 with the addition of Mark Gatiss, known for playing brother to Benedict Cumberbatch in the hit BBC series Sherlock as well as writing episodes of Doctor Who.
As of now the new Game of Thrones Season 4 role is being kept a secret, but as Mark Gatiss will be a part of the Sherlock panel at this week's Comic-Con more information may be forthcoming.
Mark Gatiss joins fellow actor Pedro Pascal who is confirmed to be playing The Red Viper.
The list of directors for the Game of Thrones Season 4 episodes has also become known (via EW):
Episode 1: David Benioff & D.B. Weiss
Episodes 2, 3, 8, 10: Alex Graves
Episodes 4, 5: Michelle MacLaren
Episodes 6, 7: Alik Sakharov
Episodes 9: Neil Marshall
Game of Thrones airs on HBO.