Fandoms collide! Game of Thrones season 4 has cast a Sherlock actor and executive producer as production begins to roll.
Mark Gatiss has joined the fourth outing of Game of Thrones for an unspecified role, Entertainment Weekly has revealed.
While we’re bummed that further details haven’t been shared, we are excited by the fact that an actor from the beloved Sherlock is heading over to the equally (or more) beloved Game of Thrones for HBO. (x)