 Sterling HaydenDet. Lt. Sims | Det. Lt. Sims |
 Gene NelsonSteve Lacey | Steve Lacey |
 Phyllis KirkEllen Lacey | Ellen Lacey |
 Ted de Corsia'Doc' Penny | 'Doc' Penny |
 Charles BronsonBen Hastings | Ben Hastings |
 Jay NovelloDr. Otto Hessler | Dr. Otto Hessler |
 Nedrick YoungGat Morgan | Gat Morgan |
 James BellDaniel O'Keefe | Daniel O'Keefe |
 Dub TaylorGus Snider | Gus Snider |
| GGayle KelloggDetective Kelly | Detective Kelly |
| MMack ChandlerSully | Sully |
 Iris AdrianHastings' Girlfriend (uncredited) | Hastings' Girlfriend (uncredited) |
| JJoe BassettCop (uncredited) | Cop (uncredited) |
 Charles CaneDetective (uncredited) | Detective (uncredited) |
 Timothy CareyJohnny Haslett (uncredited) | Johnny Haslett (uncredited) |
| FFred CobyCop in Squad Car (uncredited) | Cop in Squad Car (uncredited) |
| DDennis DengatePolice Officer (uncredited) | Police Officer (uncredited) |
| EEileen ElliottFourth Police Broadcaster (uncredited) | Fourth Police Broadcaster (uncredited) |
 Fritz FeldJess (uncredited) | Jess (uncredited) |
| CCharles FergusonDetective / Bank Officer (uncredited) | Detective / Bank Officer (uncredited) |
| DDiane FortierFirst Police Broadcaster (uncredited) | First Police Broadcaster (uncredited) |
 Kit GuardBarfly at Counter (uncredited) | Barfly at Counter (uncredited) |
| JJim HaywardZenner (uncredited) | Zenner (uncredited) |
| MMary Alan HokansonSecond Police Broadcaster (uncredited) | Second Police Broadcaster (uncredited) |
 Thomas E. JacksonBank Guard (uncredited) | Bank Guard (uncredited) |
 Fred KelseyOld Man Crossing Street (uncredited) | Old Man Crossing Street (uncredited) |
 Jack KenneyLefty (uncredited) | Lefty (uncredited) |
| FFaith KrugerSalvation Army Singer (uncredited) | Salvation Army Singer (uncredited) |
 Lyle LatellHoodlum at Counter (uncredited) | Hoodlum at Counter (uncredited) |
 Harry LauterRoadblock Officer (uncredited) | Roadblock Officer (uncredited) |
