A Nazi scientist carries out secret experiments.
| Actor | Role |
|---|---|
 Narciso Ibáñez MentaProfessor Hamerman | Professor Hamerman |
 Tony IsbertMöser | Möser |
 Berta CabréFlorence | Florence |
| SSergio TulaFerraro | Ferraro |
| XXavier SalaCaballero de la Thule | Caballero de la Thule |
 JulissaAndrea / Laura | Andrea / Laura |
 Enrique LizaldeJavier | Javier |
 Salvador SáinzEstudiante / Nazi | Estudiante / Nazi |
 Mónica SernaNot listed | Not listed |
 Antonio Molino RojoInspector Castillo | Inspector Castillo |
 Víctor IsraelConserje Academia | Conserje Academia |
 Silvia SolarNot listed | Not listed |
 Sebastià d'ArbóHimself | Himself |
| GGermán MonzóPrisionero Judío | Prisionero Judío |
 Carmen SerretCarmen Ferraro (as Carmen Cano) | Carmen Ferraro (as Carmen Cano) |