A killer is on the loose, murdering people with an iron claw.
| Actor | Role |
|---|---|
 Dria PaolaLa dottoressa Renata Vigo | La dottoressa Renata Vigo |
| CCarlo FontanaPietro Kruger | Pietro Kruger |
 Elio SteinerGastel | Gastel |
 Vasco Creticommissario | commissario |
| CCarola LottiGina Rappis | Gina Rappis |
 Carlo LombardiCarlo Lopez | Carlo Lopez |
| CCarlo GualandriRappis | Rappis |
 Gino ViottiAlberti | Alberti |
 Augusto BandiniNot listed | Not listed |
| GGiuseppe N. BelliniNot listed | Not listed |
 Fedele GentileNot listed | Not listed |
| LLucia ParisiNot listed | Not listed |