The first one, tentatively known as The Long Night, was developed by showrunner Jane Goldman and would've explored the true history of the white walkers, thousands of years prior to its parent show. House of the Dragon is the second Game of Thrones spinoff to move forward under HBO's watch. Rounding out the cast are former Doctor Who star Smith as Prince Daemon Targaryen, King Viserys' younger brother and heir to the throne Prince of Persia: The Sands of Time's Toussaint as Lord Corlys Velaryon AKA “The Sea Snake,” the lord of House Velaryon and 'the most famed nautical adventurer in the history of Westeros' The Amazing Spider-Man alum Ifans as Otto Hightower, the Hand of the King and Viserys' faithful servant and Ready Player One's Cooke as Otto's daughter Alicent Hightower, who's described as having 'both a courtly grace and a keen political acumen.' RELATED: Game of Thrones Prequel House of the Dragon Casts a Key Character D'Arcy also costarred on the Amazon Prime horror/comedy series Truth Seekers. Despite being a dragon rider of pure Valyrian blood, 'Many would say that Rhaenyra was born with everything…but she was not born a man,' according to her official description. Considine, who previously appeared in the HBO mini-series The Outsider and The Third Day, will star as King Viserys Targaryen, a character described as follows: 'A warm, kind, and decent man, Viserys only wishes to carry forward his grandfather’s legacy, but as we’ve learned from Game of Thrones, good men do not necessarily make for great kings.'ĭ'Arcy will costar on House of the Dragon as Princess Rhaenyra Targaryen, King Viserys' first-born child. Martin's Fire & Blood, a 2018 fantasy novel that explores the history of House Targaryen hundreds of years prior to his A Song of Ice and Fire saga and HBO's Game of Thrones TV series.

House of the Dragon is based on George R.R.

Cast of prince of persia