Calificación
Reparto

Christopher Lee
Count Ludwig Karnstein

Adriana Ambesi
Laura Karnstein

Ursula Davis
Ljuba

José Campos
Friedrich Klauss

Véra Valmont
Annette

Carla Calò
Ljuba's Mother (as Cicely Clayton)

José Villasante
Cedric

John Karlsen
Franz Karnstein (uncredited)