A mad doctor performs a head transplant on an injured criminal, which results in him being even more dangerous and murderous than before.
| Actor | Role |
|---|---|
 Paul NaschyJack Surnett | Jack Surnett |
 Silvia SolarAna | Ana |
 Olivier MathotHenry | Henry |
| EEvelyne ScottBarbara | Barbara |
| CClaude BoissonPaul | Paul |
 Gilda ArancioIngrid | Ingrid |
| PPierre BietAndré | André |
 Víctor IsraelKarl | Karl |
 Richard KolinWilly | Willy |
| AAntonia LotitoEmmy | Emmy |
 Roberto MauriThe Sadist | The Sadist |
 Carlos OteroDoc Ritter | Doc Ritter |
| RRicardo PalmerolaProfessor Teets | Professor Teets |
| MMuriel RenaudNatalia | Natalia |
 Guy VerdaMarcel | Marcel |