A pharmacist is murdered, and a woman happens to see the culprit leave the scene. She soon finds herself being stalked by the killer.
| Actor | Role |
|---|---|
 Corrado PaniLukas | Lukas |
 Paola TedescoMara | Mara |
 Franco CittiPasquale Ferrante | Pasquale Ferrante |
 Fernando CerulliGiovanni Bozzi | Giovanni Bozzi |
 Paolo MalcoCarlo | Carlo |
 Giuseppe AddobbatiJudge | Judge |
 Gianfranco BulloChemist's assistant | Chemist's assistant |
| JJill PrattSignora Dezzan | Signora Dezzan |
 Bianca ToccafondiEsmeralda Messori | Esmeralda Messori |
 Inna AlexeievnaOld Woman | Old Woman |
| RRoberto AntonelliMichele | Michele |
 Giovanni VanniniDezzan, the chemist | Dezzan, the chemist |
| CCristina PirasNot listed | Not listed |
| GGaetano RampinNot listed | Not listed |
| GGiuseppe PenneseNot listed | Not listed |
 Camillo BesenzonNot listed | Not listed |
 Antonio BidoNot listed | Not listed |
| GGino CassaniNot listed | Not listed |