Kit Harrington Talks 'Game of Thrones'

Actor Kit Harrington plays Jon Snow, illegitimate son of Ned Stark on "Game of Thrones," and he’s telling "Extra" what's coming up on the gritty HBO series.

When asked about how committed he is to his character, both on and off screen, Harrington said, "Pretty committed. I don’t wash my hair… I just let it get really horrible."
Watch to find out more behind-the-scenes secrets.

Watch "Game of Thrones" Sunday at 9PM on HBO.