Lily Collins as Empress Regent Helena Peverell-Targaryen I

James Phelps as Fred Weasley

Charlie Hunnam as King Aegon Targaryen I

Katheryne Winnick as Queen Visenya Targaryen

Morfydd Clark as Queen Rhaenys Targaryen

Viggo Mortensen as Lord Orys Baratheon

Tom Hopper as King Torrhen Stark