The reign of House Targaryen begins. House of the Dragon, the prequel to Game of Thrones, is coming to HBO and HBO Max on August 21. Based on George R.R. Martin’s “Fire & Blood,” the series, which is set 200 years before the events of Game of Thrones, tells the story of House Targaryen.

Paddy Considine (HBO’s The Third Day and The Outsider), Matt Smith (Doctor Who), Olivia Cooke, Emma D’Arcy, Steve Toussaint (It’s a Sin, Doctor Who), Eve Best, Sonoya Mizuno, Fabien Frankel and Rhys Ifans to star. Additional cast members include Milly Alcock, Bethany Antonia, Phoebe Campbell, Emily Carey, Harry Collett, Ryan Corr, Tom Glynn-Carney, Jefferson Hall, David Horovitch, Wil Johnson, John Macmillan, Graham McTavish, Ewan Mitchell, Theo Nate, Matthew Needham, Bill Paterson, Phia Saban, Gavin Spokes, and Savannah Steyn. See the cast and who they will play here.

Martin and Ryan Condal serve as co-creators on the series. Miguel Sapochnik and Condal are showrunners, and the pair also serve as executive producers along with Martin, Sara Hess, Jocelyn Diaz, Vince Gerardis and Ron Schmidt. Clare Kilner and Geeta Vasant Patel also direct the series. Greg Yaitanes is director and co-executive producer. Game of Thrones and Westworld composer Ramin Djawadi scored the series.