Barbara Steele
Princess Asa Vajda / Katia Vajda
John Richardson
Dr. Andrej Gorobec / Dr. Andreas Gorobec
Andrea Checchi
Dr. Choma Kruvajan / Dr. Thomas Kruvajan
Ivo Garrani
Prince Vajda
Arturo Dominici
Igor Javutich / Javuto
Enrico Olivieri
Prince Constantine Vajda
Antonio Pierfederici
Priest
Tino Bianchi
Ivan - Manservant
Clara Bindi
Inn Keeper
Mario Passante
Nikita - Coachman
Renato Terra
Boris - Stablehand
Germana Dominici
Sonya - Innkeeper's Daughter
Nando Gazzolo
Narrator (voice) (uncredited)
