In Game of Thrones Ostlere played the role of Ser Waymar Royce, replacing Jamie Campbell Bower who had played the role in the unaired pilot episode. Bower was unavailable for the reshoots of the prologue sequence.
|Season One credits|
|Winter Is Coming||The Kingsroad||Lord Snow||Cripples, Bastards, and Broken Things||The Wolf and the Lion|
|A Golden Crown||You Win or You Die||The Pointy End||Baelor||Fire and Blood|