Roger Ashton-Griffiths

'Game of Thrones' season 4 remains a good while off, but as with the previous season, fans are eager to learn who will take the roles of revered George R.R. Martin characters when HBO finally introduces them into their own adaptation. We've heard quite a bit about several new Dornish characters to date, but are you ready to meet the oft-mentioned Mace Tyrell? Introducing Roger Ashton-Griffiths! Re