An internal succession war within House Targaryen at the height of its power, 172 years before the birth of Daenerys Targaryen.
Starts: Rhys Ifans, Olivia Cooke, Matt Smith, Emma D'Arcy, Fabien Frankel, Graham McTavish, Paddy Considine, Danny Sapani, Ryan Corr, Bill Paterson, Eve Best, Milly Alcock, Jefferson Hall, Emily Carey, Sonoya Mizuno, Steve Toussaint