A woman dressed in black is murdering young women. The police question lawyer Anselmi for whom one of the girls worked as a secretary, and it turns out that all the victims were friends of lawyer's wife Leonora.
| Actor | Role |
|---|---|
 John RichardsonInspector Lavina | Inspector Lavina |
 Dagmar LassanderLeonora Anselmi | Leonora Anselmi |
 Ninetto DavoliSandro Lucetti | Sandro Lucetti |
 Magda KonopkaContessa Orselmo | Contessa Orselmo |
 Giacomo Rossi StuartAnselmi | Anselmi |
 Daniela GiordanoNelly | Nelly |
| UUrsula DavisAnna | Anna |
 Tano CimarosaPantò | Pantò |
| DDada GallottiMarilyn | Marilyn |
| GGianni WilliamsManlio "Jerry" | Manlio "Jerry" |
| GGiovanna D'AlboreEmma Giorgi | Emma Giorgi |
 Livio GalassiMarco Orsello | Marco Orsello |
| MMarco BuscialaNot listed | Not listed |
 Giovanni BrusadoriMario | Mario |