| Mike Hammer | 拉尔夫·米克
 | |
| Dr. G.E. Soberin | 阿尔伯特·德科
 | |
| Carl Evello | Paul Stewart | |
| Eddie Yeager | Juano Hernandez
 | |
| Lt. Pat Murphy | 韦斯利·阿迪
 | |
| Friday | 玛丽安·卡尔
 | |
| Velda | Maxine Cooper | |
| Christina Bailey | 克劳斯·利特曼
 | |
| Gabrielle | Gaby Rodgers | |
| Nick | Nick Dennis | |
| Sugar Smallhouse | Jack Lambert | |
| Charlie Max | 杰克·伊莱姆
 | |
| Sammy | Jerry Zinneman | |
| Cheesecake | Leigh Snowden | |
| Doc Kennedy | Percy Helton | |
| Nightclub Singer | Mady Comfort | |
| Ray Diker | Mort Marshall | |
| Harvey Wallace | Strother Martin
 | |
| Radio Announcer (voice) (uncredited) | Sam Balter | |
| Sideman (uncredited) | Eddie Beal | |
| Manager (uncredited) | Marjorie Bennett | |
| Carmen Trivago (uncredited) | 福图尼奥·博纳诺瓦
 | |
| Man in Parked Car (uncredited) | Leonard Bremen | |
| FBI Agent (uncredited) | Robert Cornthwaite | |
| Receptionist (uncredited) | Yvonne Doughty | |
| Horace's Wife (uncredited) | Jesslyn Fax | |
| Popcorn Vendor (uncredited) | John George | |
| Radio Announcer (voice) (uncredited) | Joe Hernandez | |
| Bartender (uncredited) | Art Loggins | |
| Nurse (uncredited) | Mara McAfee | |
| Horace (uncredited) | James McCallion | |
| Mover (uncredited) | Silvio Minciotti | |
