Hall, who had a minor role on Game of Thrones playing Hugh of the Vale in two episodes, will play twins on the prequel series. Also joining the cast are Ryan Corr, David Horovitch, Matthew Needham, Bill Paterson and Gavin Spokes.
TOPICS: House of the Dragon, HBO, Game of Thrones, Bill Paterson, David Horovitch, Gavin Spokes, Graham McTavish, Jefferson Hall, Matthew Needham, Ryan Corr, In Development