Ryan Condal Creator, Writer, Executive Producer George R.R. Martin Creator, Executive Producer Paddy Considine King Viserys Targaryen Actor Matt Smith Prince Daemon Targaryen Actor Olivia Cooke Alicent Hightower Actor Emma D'Arcy Princess Rhaenyra Targaryen Actor Steve Toussaint Lord Corlys Velaryon ("The Sea Snake") Actor Eve Best Princess Rhaenys Targaryen Actor Fabien Frankel Ser Criston Cole Actor Sonoya Mizuno Mysaria Actor Rhys Ifans Otto Hightower Actor Milly Alcock Young Princess Rhaenyra Targaryen Actor Emily Carey Young Alicent Hightower Actor Graham McTavish Ser Harrold Westerling Actor Sara Hess Writer, Executive Producer Miguel Sapochnik Executive Producer Vince Gerardis Executive Producer Ron Schmidt Executive Producer Clare Kilner Director Geeta Patel Director Greg Yaitanes Director David Hancock Co-Executive Producer Charmaine De Grate Co-Executive Producer Jocelyn Diaz Consulting Producer