Phoebe Campbell as Rhaena Targaryen, Matt Smith as Daemon Targaryen in House of the Dragon season 3 episode 7. Phoebe Campbell as Rhaena Targaryen, Clinton Liberty as Addam of Hull in House of the Dragon season 3 episode 7. Matt Smith as Daemon Targaryen and Emma D’Arcy as Rhaenyra Targaryen in House of the Dragon season 3 episode 7. Emma D’Arcy as Rhaenyra Targaryen, Sonoya Mizunoas Mysaria in House of the Dragon season 3 episode 7. Ewan Mitchell as Aemond Targaryen and Gayle Rankin as Alys Rivers in House of the Dragon season 3 episode 7.