Princess Asa Vajda / Katia Vajda (as Barbara Steel)
Dr. Andrej Gorobec / Dr. Andreas Gorobec
Dr. Choma Kruvajan / Dr. Thomas Kruvajan
Prince Vajda
Igor Javutich / Javuto
Constantine Vajda
Priest
Ivan - Manservant
Innkeeper
Nikita - Coachman
Boris - Stablehand
Sonya - Innkeeper's Daughter
Narrator (voice) (uncredited)