A deadly manhunt takes three people through the sordid streets of the Philadelphia underworld, in search of killers and the truth, where every clue brings new questions.
| Actor | Role |
|---|---|
 George EastmanDan Caputo | Dan Caputo |
 Jack PalanceDuke | Duke |
 Jenny TamburiSusan | Susan |
 Roberto GiraudoCaptain Jeffries | Captain Jeffries |
 Ugo BolognaMallory | Mallory |
| JJut GramsSharp | Sharp |
 Renato Montalbano'Looney' Toledo | 'Looney' Toledo |
| NNicole BarthelmyBelle | Belle |
 Aldo CecconiAgent Owen | Agent Owen |
| GGaetano BalestrieriPeter Cotton | Peter Cotton |
 Giorgio ScioletteNot listed | Not listed |