House of the Dragon Cast and Character Guide

Main Cast

Rhaenyra Targaryen

Emma D'Arcy portrays Rhaenyra Targaryen as an adult, while Milly Alcock plays her as a teenager.

Rhaenyra is the eldest daughter of King Viserys I Targaryen. She is a skilled dragonrider and is named heir to the Iron Throne by her father.

Daemon Targaryen

Matt Smith plays Daemon Targaryen, the younger brother of King Viserys I.

Daemon is a skilled warrior and a fierce dragonrider. He is ambitious and power-hungry, and he covets the Iron Throne.

King Viserys I Targaryen

Paddy Considine portrays King Viserys I Targaryen.

Viserys is a kind and just ruler, but he is also weak and indecisive. He is torn between his duty to his realm and his love for his family.

Alicent Hightower

Olivia Cooke plays Alicent Hightower as an adult, while Emily Carey portrays her as a teenager.

Alicent is the daughter of Otto Hightower, the Hand of the King. She is a beautiful and intelligent young woman, and she becomes Viserys' second wife.

Otto Hightower

Rhys Ifans plays Otto Hightower.

Otto is the Hand of the King and Alicent's father. He is a powerful and ambitious man, and he is determined to see his daughter on the Iron Throne.

Other Notable Cast and Characters

Aegon Targaryen

Tom Glynn-Carney portrays Aegon Targaryen as an adult, while Ty Tennant plays him as a teenager.

Aegon is the eldest son of Viserys and Alicent. He is a skilled warrior, but he is also arrogant and reckless.

Helaena Targaryen

Phia Saban plays Helaena Targaryen.

Helaena is the daughter of Viserys and Alicent. She is a quiet and shy young woman, but she is also a powerful dragonrider.

Aemond Targaryen

Ewan Mitchell plays Aemond Targaryen as an adult, while Leo Ashton plays him as a teenager.

Aemond is the second son of Viserys and Alicent. He is a skilled warrior and a fierce dragonrider. He is also ambitious and ruthless.