Griffith Jones
— Nikki
Vanessa Lee
— Princess Cristiane
Margot Grahame
— Marta Karillos
Mary Hinton
— Queen Elena of Murania
Nicholas Amer
— Volkoff
June Grant
— Countess Vera Lemainken
Austin Trevor
— Vanescu
Denis Martin
— Count Egon Stanieff
Ian Fleming
— King Peter of Norseland
Gay Cameron
— Princess Hulda
Linda Dixon
— Princess Kirsten
Moira Mannion
— Madame Koska
Bruno Barnabe
— Chief Revolutionary
Hamlyn Benson
— The Archbishop
David Hemmings
— The Boy King
John Kidd
— Jules