Kit Harington in Game of Thrones, season 6, episode 9.
Helen Sloan—Courtesy of HBO
June 20, 2016 12:44 PM EDT

Warning: This post contains spoilers for the sixth season of Game of Thrones.

Kit Harington has a lot in common with Jon Snow. First off: he’s very committed to his work.

So committed, in fact, that he accidentally landed some real punches on fellow actor Iwan Rheon while filming their dramatic final scene together in Sunday’s “Battle of the Bastards.” Rheon, as the sadistic character Ramsay Bolton, is finally down for the count when Snow starts pummeling him in the face. It’s one of the most satisfying moments the show has given viewers, as Snow unleashes his fury on his fellow bastard.

But Harington may have taken his character acting a bit too far, because he really did get Rheon in the face. Twice. (By accident, he says.) It’s very much like Snow to take his job really, really seriously.

The second thing Harington has in common with Snow? His honor, of course.

“I had to buy him a pint after that one,” Harington says in an interview about the episode.

Rheon, meanwhile, seems to (thankfully) be different from the evil character he plays.

“That was good,” he said about Harington’s over-enthusiastic acting. “Jaw hurt a bit the next day. But, you know, it’s understandable.”

(h/t Mashable)

Write to Raisa Bruner at raisa.bruner@time.com.

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