| 角色 | 饰演者 | 角色介绍 |
| Charles 'Butcher' Benton (as Lon Chaney) | 小隆·查内 | |
| Police Lt. Richard 'Dick' Chasen (as Casey Adams) | Max Showalter | |
| Eva Martin (as Marion Carr) | 玛丽安·卡尔 | |
| Paul Lowe Attorney | Ross Elliott | |
| Police Lt. John Lauder | Stuart Randall | |
| Joe Marcelli (as Kenneth Terrell) | Ken Terrell | |
| Hysterical young woman | Marjorie Stapp | |
| Prof. Bradshaw | Robert Shayne | |
| Francine (blonde stripper) | Peggy Maley | |
| Harry (bar owner) | Robert Foulk | |
| Carney's 'bait' | Rita Green | |
| Desk sergeant (as Roy Engle) | Roy Engel | |
| Old frump in bar | Madge Cleveland | |
| Police Dispatcher (edited from He Walked By Night [1948]) (archive footage) (uncredited) | 安·多兰 | |
| Squeamy Ellis (uncredited) | Marvin Ellis | |
| Bradshaw's assistant (uncredited) | Joe Flynn | |
| Tall stripper (uncredited) | Dorothy Ford | |
| Carney Con Man (uncredited) | Eddie Marr |
