Police officer Patty Butler, alias "Chicklet," is the live-in girlfriend of Thomas 'Stick' Henderson to gather evidence. Detective Bo Lockley is instructed to try to find her, not knowing she's also a cop.
| Actor | Role |
|---|---|
 Michael MoriartyBo Lockley | Bo Lockley |
 Yaphet KottoRichard 'Crunch' Blackstone | Richard 'Crunch' Blackstone |
 Susan BlakelyPatty Butler | Patty Butler |
 Héctor ElizondoCaptain D'Angelo | Captain D'Angelo |
 Tony KingThomas 'Stick' Henderson | Thomas 'Stick' Henderson |
 Michael McGuireLt. Hanson | Lt. Hanson |
 Edward GroverCaptain Strichter | Captain Strichter |
 Dana ElcarChief Perna | Chief Perna |
 Bob BalabanJoey Egan | Joey Egan |
 William DevaneAsst. D.A. Jackson | Asst. D.A. Jackson |
 Stephen ElliottPolice Commissioner | Police Commissioner |
 Richard GereBilly | Billy |
 Vic TaybackLt. Seidensticker | Lt. Seidensticker |
| AAlbert SeedmanDetective Schulman | Detective Schulman |
 Noelle NorthSamantha | Samantha |
 Sonny GrossoDetective | Detective |