Hello Ser Criston Cole! the Handsome Dornish Swordsman Was Introduced in the First Episode of Hbo’s Game of Thrones Prequel, House of the Dragon. Ser Criston Defeats Prince Daemon Targaryen at a Jousting Tournament and Flirts with King Viserys’s Daughter, Princess Rhaenerya. Ser Criston Is the Common-Born Son of the Steward to the Lord of Blackhaven and Has No Claim to Land or Titles. He’s Played by Fabian Frankel, 28, in the Series. Here’s Everything You Need to Know About Fabian, Including His Connection to Got Alum Emilia Clarke.