(CNN) The death of Jon Snow on "Game of Thrones" was tough on some viewers, but sounds to have been even rougher on the man who played him.

Kit Harington recently talked to Variety about anxiety he's experienced in the Snow role, particularly when his character was killed off and then resurrected.

"My darkest period was when the show seemed to become so much about Jon, when he died and came back," Harington said. "I really didn't like the focus of the whole show coming onto Jon -- even though it was invalidating my problem about being the weak link because things were about Jon."

Harington's character on the HBO fantasy series was killed in the Season 5 finale, but brought back. (HBO and CNN share the same parent company).

Viewer reaction to the plot twist was intense.

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