Katia Vajda/Princess Asa Vajda

Barbara Steele

Prince Vajda

Ivo Garrani

Dr. Andrej Gorobec / Dr. Andreas Gorobec

John Richardson

Dr. Choma Kruvajan / Dr. Thomas Kruvajan

Andrea Checchi

Igor Javutich / Javuto

Arturo Dominici

Prince Constantine Vajda

Enrico Olivieri

Priest

Antonio Pierfederici

Ivan - Manservant

Tino Bianchi

Inn Keeper

Clara Bindi

Sonya

Germana Dominici

Nikita

Mario Passante

Boris - Stablehand

Renato Terra

Narrator (voice) (uncredited)

Nando Gazzolo