House of the Dragon is an American fantasy drama television series created by George R. R. Martin and Ryan J. Condal for HBO. It is a prequel to the television series Game of Thrones (2011–2019) and is based on Martin's 2018 novel Fire & Blood. 

Plot

Set two hundred years before the events of Game of Thrones, the series chronicles the beginning of the end of House Targaryen, the events leading up to the Targaryen civil war, known as the "Dance of the Dragons", and the war itself.

Cast and Characters

• Paddy Considine as King Viserys I Targaryen
• Emma D'Arcy as Princess Rhaenyra Targaryen
• Matt Smith as Prince Daemon Targaryen
• Olivia Cooke as Lady Alicent Hightower
• Steve Toussaint as Lord Corlys Velaryon
• Eve Best as Princess Rhaenys Velaryon
• Fabien Frankel as Ser Criston Cole
• Sonoya Mizuno as Mysaria
• Rhys Ifans as Ser Otto Hightower
• Bethany Antonia as Lady Baela Targaryen
• Phoebe Campbell as Lady Rhaena Targaryen
• Harry Collett as Prince Jacaerys Velaryon
• Ryan Corr as Ser Harwin Strong
• Tom Glynn-Carney as Prince Aegon Targaryen
• Jefferson Hall as Lord Jason Lannister/Ser Tyland Lannister
• David Horovitch as Grand Maester Mellos
• Wil Johnson as Ser Vaemond Velaryon
• John Macmillan as Ser Laenor Velaryon
• Graham McTavish as Ser Harrold Westerling
• Ewan Mitchell as Prince Aemond Targaryen
• Matthew Needham as Larys Strong
• Bill Paterson as Lord Lyman Beesbury
• Phia Saban as Princess Helaena Targaryen
• Gavin Spokes as Lord Lyonel Strong
• Gavin Spokes as Lady Laena Velaryon