Four women spending the night in a deserted sanitarium on a mountain fall into the hands of an evil doctor with a terrible secret.
| Actor | Role |
|---|---|
 Paul NaschyCount Dracula / Dr. Wendell Marlow | Count Dracula / Dr. Wendell Marlow |
 Haydée PolitoffKaren | Karen |
 Rosanna YanniSenta | Senta |
 Ingrid GarboMarlene | Marlene |
 Mirta MillerElke | Elke |
 Víctor BarreraImre Polvi | Imre Polvi |
 Álvaro de LunaPorteador | Porteador |
 José Manuel MartínPorteador | Porteador |
| SSusana LatourVictim in Karen's dream - Image in Negative | Victim in Karen's dream - Image in Negative |
| JJulia PeñaPeasant woman | Peasant woman |
 Loreta TovarVictim in Bed (uncredited) | Victim in Bed (uncredited) |
| LLeandro San JoséNot listed | Not listed |
| BBenito PavónNot listed | Not listed |