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