Paddy Considine King Viserys Targaryen Actor Emma D'Arcy Princess Rhaenyra Targaryen Actor Matt Smith Prince Daemon Targaryen Actor Steve Toussaint Lord Corlys Velaryon ("The Sea Snake") Actor Olivia Cooke Alicent Hightower Actor Rhys Ifans Otto Hightower Actor Eve Best Princess Rhaenys Targaryen Actor Fabien Frankel Ser Criston Cole Actor Sonoya Mizuno Mysaria Actor Phoebe Campbell Lady Rhaena Targaryen Actor Ewan Mitchell Prince Aemond Targaryen Actor Elliot Grihault Prince Lucerys "Luke" Velaryon Actor Harry Collett Prince Jacaerys "Jace" Velaryon Actor Bethany Antonia Lady Baela Targaryen Actor George R.R. Martin Executive Producer Ryan Condal Executive Producer Miguel Sapochnik Executive Producer Vince Gerardis Executive Producer Sara Hess Executive Producer Ron Schmidt Executive Producer Clare Kilner Director Geeta Patel Director Greg Yaitanes Director David Hancock Co-Executive Producer Jocelyn Diaz Consulting Producer Eileen Shim Co-Producer