 Richard WidmarkHarry Fabian | Harry Fabian |
 Francis L. SullivanPhilip Nosseross | Philip Nosseross |
 Gene TierneyMary Bristol | Mary Bristol |
 Googie WithersHelen Nosseross | Helen Nosseross |
 Stanislaus ZbyszkoGregorius | Gregorius |
 Herbert LomKristo | Kristo |
 Hugh MarloweAdam Dunn | Adam Dunn |
 Mike MazurkiThe Strangler | The Strangler |
 Charles FarrellMickey Beer | Mickey Beer |
 Ada ReeveMolly | Molly |
 Ken RichmondNikolas | Nikolas |
 Alan TilvernBeggar (uncredited) | Beggar (uncredited) |
 Derek BlomfieldYoung Policeman (uncredited) | Young Policeman (uncredited) |
| CClifford BucktonPoliceman (uncredited) | Policeman (uncredited) |
 Ernest ButcherBert, Street Musician (uncredited) | Bert, Street Musician (uncredited) |
 Peter ButterworthThug (uncredited) | Thug (uncredited) |
 Naomi ChanceNightclub Hostess (uncredited) | Nightclub Hostess (uncredited) |
 Edward ChapmanHoskins (uncredited) | Hoskins (uncredited) |
| CClifford CobbePoliceman (uncredited) | Policeman (uncredited) |
| PPatricia DavidsonNightclub Hostess (uncredited) | Nightclub Hostess (uncredited) |
 Maureen DelaneyAnna O'Leary (uncredited) | Anna O'Leary (uncredited) |
 Aubrey DexterFergus Chilk (uncredited) | Fergus Chilk (uncredited) |
| SStanley EscaneMan (uncredited) | Man (uncredited) |
| TThomas GallagherBagrag, Bar Owner (uncredited) | Bagrag, Bar Owner (uncredited) |
| RRex GarnerWaiter (uncredited) | Waiter (uncredited) |
 James HayterFigler (uncredited) | Figler (uncredited) |
| GGeorge HirsteBeggar (uncredited) | Beggar (uncredited) |
| HHamilton KeeneCharles, American Bartender (uncredited) | Charles, American Bartender (uncredited) |
 Kay KendallHelen's Girl (uncredited) | Helen's Girl (uncredited) |
| HHubert LeslieNightwatchman (uncredited) | Nightwatchman (uncredited) |
