Game of Thrones is one of the TV events of the century, with a huge fan base and compelling characters. It has made the careers of many of its cast members, including Sophie Turner, Maisie Williams, Kit Harrington, Emilia Clarke and others. The show may be notorious for unexpectedly killing off its characters, but the exposure its actors get is invaluable. It’s why it’s one of the most sought-after gigs in showbiz.