Action wise Kit. I don't know, he didn't look scared enough for me at the end. But maybe because I am a big chicken and Jon Snow is not. But I would have been like, "Either Wun Wun carries us on out of here or we need to row super fast. Like Benny Hill fast."
Performance wise, Peter Dinklage. Not that it is hard to do but he outacted Emilia Clarke by a mile. Although having a scene with tears pricking her eyes as she sends Jorah away again was a nice touch. At least they are having her show a little more emotion this season.
Special mention to Sophie and Alfie, that confrontation scene was well done though it was brief.
Another special mention to Lena, playing Cersei's stubborness to the hilt.
I thought Emilia was very good this episode, no sniveling at all. I guess they finally let her take direction, or at least D&D let Miguel Sapochnik direct her dialog. More direct and forceful such as when she is speaking Valyrian.
"The meaning of the world is the separation of wish and fact." Kurt Gödel
A lot of people probably know by now that Jon Snow is my favorite character...however, I rarely give props to his acting because in truth, he doesn't get to chew the scenery much. His character is quiet and reserved, very much a military man and his inner turmoil stays on the inside. And his acting in season 1 is just downright terrible at times. But he's increasingly gotten better as the series has gone on.
But he blew this episode right out of the water. The way he managed to convey the panic, sadness and despair with just the look on his face was beyond words. And the way he was gasping for breath during that fight with the White Walker absolutely had me on edge. I felt like I had just had the wind knocked out of me. So, good job, Kit. You've managed to outshine the first Dany-Tyrion conversation, and I would have never thought that was possible before now.
Props to Kristofer Hivju, as well. The way he took out Rattleshirt and then just got down to business was one of the most badass moments ever XD
It's gotta be Kit for me. His facial expressions at the end, his portrayal of operating/fighting with his very last ounce of strength (physical and mental), his resolve in negotiating with the wildlings, all of it.
But as usual, I end up cheating and sliding in at least one more response, and that would have to be Kristofer. Tormund is back 100%, and he and Jon together acted a terrific team - starting out with residual tension, then as events unfolded, building on a powerful respect for one another, and ending with a rock-solid "comrades in arms" relationship.