Los Angeles Times'Game of Thrones': Jonathan Pryce, Alexander Siddig among 9 new actorsLos Angeles Times... siddig 114 Game of Thrones: Jonathan Pryce, Alexander Siddig among. Alexander Siddig will star as Doran Martell, the ruling lord of Dorne and older brother to the late Prince Oberyn Martell in Season 5 of "Game of Thrones." (Matt Carr/Getty Images).'Game of Thrones' livens up Comic Con with deaths and newcomersReuters'Game of Thrones' Season 5 Cast RevealedDaily BeastHBO Announces New 'Game Of Thrones' Season 5 Cast Members At Comic ConForbesUSA TODAY -seattlepi.com -TV Fanaticall 135 news articles »