 Barbara StanwyckKathy Ferguson | Kathy Ferguson |
 Sterling HaydenLt. William Doyle | Lt. William Doyle |
 Raymond BurrInspector Tony Pope | Inspector Tony Pope |
 Fay WrayAlice Pope | Alice Pope |
 Virginia GreySara Alidas | Sara Alidas |
 Royal DanoCapt. Charlie Alidas | Capt. Charlie Alidas |
 Robert GriffinPolice Sgt. James | Police Sgt. James |
 Dennis CrossPolice Sgt. Jules | Police Sgt. Jules |
 Jay AdlerMr. Nalence | Mr. Nalence |
 Stuart WhitmanLaboratory Technician | Laboratory Technician |
 Malcolm AtterburyPolice Officer Spitz | Police Officer Spitz |
 Robert QuarrySam, Reporter | Sam, Reporter |
 Gail BonneyMrs. London | Mrs. London |
 Joe ConleyDelivery Boy | Delivery Boy |
| RRalph BrooksReporter in Newspaper Office (Uncredited) | Reporter in Newspaper Office (Uncredited) |
 Larry CarrNot listed | Not listed |
 Jack ChefeBartender (uncredited) | Bartender (uncredited) |
 Richard CollierReporter (uncredited) | Reporter (uncredited) |
| NNan DolanNot listed | Not listed |
| MMadelon ErinNot listed | Not listed |
| PPatricia MerlinTaxi Driver (uncredited) | Taxi Driver (uncredited) |
| CCharles PerryCornerman (uncredited) | Cornerman (uncredited) |
 Kenner G. KempParty Guest (uncredited) | Party Guest (uncredited) |
 Peg La CentraMrs. James (uncredited) | Mrs. James (uncredited) |
| JJoe PloskiBartender (uncredited) | Bartender (uncredited) |
 Carl SkloverRestaurant Patron (uncredited) | Restaurant Patron (uncredited) |
 Cosmo SardoGuest at Birthday Party (uncredited) | Guest at Birthday Party (uncredited) |
| BBert StevensPoliceman Writing Ticket (uncredited) | Policeman Writing Ticket (uncredited) |
 Geraldine WallJustice of the Peace (uncredited) | Justice of the Peace (uncredited) |
| HHelen JayNewspaper Reader (uncredited) | Newspaper Reader (uncredited) |
