House of the Dragon Cast in and Out of Costume

Paddy Considine as King Viserys Targaryen King Viserys Targaryen was chosen by the lords of Westeros to succeed the Old King

Matt Smith as Prince Daemon Targaryen The younger brother to King Viserys and heir to the throne

Olivia Cooke as Alicent Hightower The daughter of Otto Hightower, the Hand of the King, and the most comely woman in the Seven Kingdoms

Emma D’Arcy as Princess Rhaenyra Targaryen The king's first-born child, she is of pure Valyrian blood, and she is a dragonrider

Steve Toussaint as Lord Corlys Velaryon He is Lord of House Velaryon, a Valyrian bloodline as old as House Targaryen

Fabien Frankel as Ser Criston Cole The common-born son of the steward to the Lord of Blackhaven

Eve Best as Princess Rhaenys Velaryon Princess Rhaenys, played by Eve Best, is a dragonrider and wife to Lord Corlys Velaryon

Sonoya Mizuno as Mysaria She who came to Westeros with nothing and has been sold more times than she can recall

Rhys Ifans as Otto Hightower The Hand of the King, Ser Otto loyally and faithfully serves both his king and his realm