Kit Harington has revealed that he began seeing a therapist as Game of Thrones reached the height of its popularity as he found the focus on him "terrifying."
The actor, who plays Jon Snow on the series, said the cliffhanger surrounding his character's fate brought intense pressure to him as a person and an actor.
"When you become the cliffhanger of a TV show, and a TV show probably at the height of its power, the focus on you is f***ing terrifying," he told Variety.
"You get people shouting at you on the street, 'Are you dead?' At the same time you have to have this appearance. All of your neuroses - and I'm as neurotic as any actor - get heightened with that level of focus...
"It wasn't a very good time in my life. I felt I had to feel that I was the most fortunate person in the world, when actually, I felt very vulnerable. I had a shaky time in my life around there, like I think a lot of people do in their 20s.
"That was a time when I started therapy, and started talking to people. I had felt very unsafe, and I wasn't talking to anyone. I had to feel very grateful for what I have, but I felt incredibly concerned about whether I could even f***ing act..."
Game of Thrones returns for an eighth and final season on Monday, April 15 at 2am and 9pm on Sky Atlantic.