` ` Thrones '' actor David Bradley reprised his murderous role in the Red Wedding . ` `` I 've done my filming . ` Sherlock '' actor Mark Gatiss just arrived as new ` ` Game of Thrones '' cast member . He is not allowed to reveal anything about his character .
` ` Thrones '' actor David Bradley reprised his murderous role in the Red Wedding . ` ` Sherlock '' actor Mark Gatiss just arrived as new ` ` Game of Thrones '' cast member . He is not allowed to reveal anything about his character .