| Lt. Fred Williams | 杰克·海德利
 | |
| Fay Majors (as Almanta Keller) | Almanta Suska | |
| Mickey Scellenda | Howard Ross | |
| Peter Bunch (as Andrew Painter) | Andrea Occhipinti | |
| Jane Forrester Lodge | Alexandra Delli Colli | |
| Dr. Paul Davis | Paolo Malco | |
| Rosie (ferry victim) | Cinzia de Ponti | |
| Dr. Lodge (as Laurence Welles) | Cosimo Cinieri | |
| Kitty (prostitute) | Daniela Doria | |
| Mrs. Weissburger | Babette New | |
| Eva (sex show performer) (as Zora Kerowa) | Zora Kerova | |
| Desk sergeant (as Paul Guskin) | Paul E. Guskin | |
| Morales (as Anthon Kagan) | Antone Pagan
 | |
| Chico (as Johs Cruze) | Josh Cruz | |
| Policewoman | Marsha MacBride | |
| Scellenda's landlady | Rita Silva | |
| Dr. Barry Jones Coroner | Giordano Falzoni | |
| Chief of Police | 卢西奥·弗尔兹
 | |
| Heather | 芭芭拉·库皮斯蒂
 | |
| Police detective | Martin Sorrentino | |
| Hospital nurse | Violetta Jean | |
| Red Volkswagen owner | Cesare Di Vito | |
| Hooker | Elisa Cervi | |
| Susy Bunch | Chiara Ferrari | |
| Sex show performer (uncredited) | Urs Althaus | |
| Dog Walker (uncredited) | Sal Carollo | |
