Watching the season four premiere of Game of Thrones is like walking into a high-school reunion: the gang is all there, faintly recognizable and huddled in their cliques, with a few new faces, too. Here, a guide to the season’s biggest transformations, and the most promising new character. We'll start with him first.
(Warning: Spoilers if you have not seen the episode. Or read the books. Or... oh, just catch up already.)