- as Mike Hammer
- as Dr. Charlotte Bennett
- as Velda
- as Charles Kalecki
- as Joe Butler
- as Detective Pat Chambers
- as Charles Kendricks
- as Romero
- as Norma Childs
- as Hilda Kendricks
- as Jack Williams
- as Myrna Williams
- as Goodwin
- as Lundee
- as Breslin
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