"I'd get people coming up to me in the street and asking if I was OK. But this is my default. I laugh, I make jokes, I just happen to reside in this face," Harington told GQ magazine while appearing on its cover.
The British actor, 27, said he loved the fantasy show but wished he did not have to talk about it all the time.
"Game Of Thrones is my life, it's my day job, I love it. But honestly, if there is a curse of Thrones, it's a lifetime of having to talk about it," he said.
"They're all narcissists. Every single one, I promise you. To have that verve, to get up and want to be watched. It comes from a place - either you were denied that attention as a child, or you were given lots of it and want more. Which is where I land.