Paddy Considine

Paddy Considineplays King Viserys Targaryen I, the mighty and reigning Targaryen king of Westeros.

He has also starred onBroadwayinThe Ferrymanas Quinn Carney, which earned him a Tony Award nomination.

Olivia Cooke

Olivia Cookeportrays Alicent Hightower, the second wife of King Viserys Targaryen.

House of the Dragon Cast

She was inStephen SpielbergsReady Player Oneas Samantha Cooke/Art3mis andNaked Singularityas Leah.

She made herAppleTV+debut as MI5 Agent Sidonie Baker inSlow Horses.

Matt Smith

Matt Smithis one of the most famous British actors of his generation.

Paddy Considine as King Viserys Targaryen I in House of the Dragon

Image via HBO

Toussiant has been seen in many, many films and television series.

She has been in manyAlex Garlandfilms such asEx Machina,Annihilation, andDevs.

Inthe Netflix original seriesManiac, Mizuno plays the lead character.

Olivia Cooke as Alicent Hightower

Fabien Frankel

Fabien Frankelplays Ser Criston Cole, the captain of the Kingsguard for King Viserys Targaryen.

He also has a relationship with the Kings daughter, Princess Rhaenyra Targaryen (DArcy).

That relationship will likely be explored in theupcoming HBO series.

Milly Alcock House of the Dragon 2x1

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Matt Smith and Emma D’Arcy in House of the Dragon

Steve Toussaint House of the Dragon 2x1

rhys-ifans-as-otto-hightower-social

Image via HBO

Sonoya Minuzo as Mysaria, wearing a hooded cloak, in House of the Dragon

Image via HBO

Fabien Frankel as Ser Criston Cole kneeling with his armor on in House of the Dragon

Image via HBO

House of the Dragon