Mickey Spillane's hard-hitting '50s private eye, Mike Hammer, returns to television in the guise of Kevin Dobson to track down the killer of his best friend who was driving Hammer's car. Joining in the hunt are the detective's Girl Friday, the ever-hopeful Velda, and his cop friend, Pat Chambers.
| Actor | Role |
|---|---|
 Kevin DobsonMike Hammer | Mike Hammer |
 Charles HallahanPat Chambers | Pat Chambers |
 Cindy PickettVelda | Velda |
 Donna DixonDaisy | Daisy |
 Asher BraunerJerry Adams | Jerry Adams |
 Floyd LevineGeraldo Machetti | Geraldo Machetti |
| AAarika WellsLindsey Brooks | Lindsey Brooks |
 John ConsidineLou Krone | Lou Krone |
| RRenata VanniMama De Fellita | Mama De Fellita |
 Charlie PicerniGlover | Glover |
 Nicholas HormannJohn O'Hare | John O'Hare |
 David DowningNot listed | Not listed |
| CCarol HamnerNot listed | Not listed |
 Katia ChristineNot listed | Not listed |
| DDock P. Ellis Jr.Not listed | Not listed |
 Ralph StraitNot listed | Not listed |
| TTybee BrasciaNot listed | Not listed |
| IIvan SaricMorgue Attendant | Morgue Attendant |
| CChristie StarleyNot listed | Not listed |
 Marilyn Faith HickeyNot listed | Not listed |
| CChristina CummingsNot listed | Not listed |
| GGary ReynoldsNot listed | Not listed |
 Scott WilderNot listed | Not listed |
 John AldermanNot listed | Not listed |
| EElizabeth RobinsonNot listed | Not listed |
 Charles A. TamburroNot listed | Not listed |