After a bungled diamond heist a trio of killers take refuge at the home of a country doctor and force him at gunpoint to attend to their mortally wounded colleague. They abuse the doctor and take sexual advantage of his wife. But everything is not as it seems.
| Actor | Role |
|---|---|
 Anthony SteffenDr. Guido Malerva | Dr. Guido Malerva |
 Margaret LeeEliana | Eliana |
 Luigi PistilliCommissario Di Stefano | Commissario Di Stefano |
 Gianni DeiFranco | Franco |
 Giuseppe CastellanoMario | Mario |
 Livia CeriniMara Malerva | Mara Malerva |
 Sandro PizzocheroEddie | Eddie |
 Giovanni BrusadoriVicecommissario | Vicecommissario |
| GGiancarlo BusiPolizziotto alla villa | Polizziotto alla villa |
| MMarino CampanaroNot listed | Not listed |
 Luigi Antonio GuerraNot listed | Not listed |
| FFerdinando BorgonovoNot listed | Not listed |
| FFernanda MinelliNot listed | Not listed |