 Peter LorreJanos 'Johnny' Szabo | Janos 'Johnny' Szabo |
 Evelyn KeyesHelen Williams | Helen Williams |
 Don BeddoeLt. James 'Jim' O'Hara | Lt. James 'Jim' O'Hara |
 George E. StoneDinky | Dinky |
 John TyrrellWatts | Watts |
 Cy SchindellBenson | Benson |
 Stanley BrownHarry | Harry |
 James SeayJeff Jeffries | Jeff Jeffries |
 Warren AsheJohnson, Reporter | Johnson, Reporter |
 Charles Cahill WilsonChief O'Brien | Chief O'Brien |
 George McKayTerry Finnegan | Terry Finnegan |
 Ernie AdamsHotel Guest (uncredited) | Hotel Guest (uncredited) |
 Sam AshMike Cary - Pilot (uncredited) | Mike Cary - Pilot (uncredited) |
 Al BridgeFlop House Manager (uncredited) | Flop House Manager (uncredited) |
 Mary CurrierBurn Treatment Nurse (uncredited) | Burn Treatment Nurse (uncredited) |
 John DilsonMan at Dock Asking for a Light (uncredited) | Man at Dock Asking for a Light (uncredited) |
 Sarah EdwardsMrs. Perkins (uncredited) | Mrs. Perkins (uncredited) |
| EEddie FosterStreet Passerby Lighting Cigarette (uncredited) | Street Passerby Lighting Cigarette (uncredited) |
 Joel FriedkinCharlie Perkins (uncredited) | Charlie Perkins (uncredited) |
| JJack GardnerMan Calling in Fire (uncredited) | Man Calling in Fire (uncredited) |
 Chuck HamiltonGas Station Attendant (uncredited) | Gas Station Attendant (uncredited) |
 Al HillMan Cooking in his Room (uncredited) | Man Cooking in his Room (uncredited) |
| WWalter MerrillJoe (uncredited) | Joe (uncredited) |
 David OliverShip's Steward (uncredited) | Ship's Steward (uncredited) |
 Ralph PetersHotel Cook (uncredited) | Hotel Cook (uncredited) |
 Lee PhelpsDetective at Cary's Office (uncredited) | Detective at Cary's Office (uncredited) |
 Frank ReicherDr. Ronald Cheever (uncredited) | Dr. Ronald Cheever (uncredited) |
 Claire RochelleYoung Shocked Nurse (uncredited) | Young Shocked Nurse (uncredited) |
 Lee ShumwayPolice Officer 643 (uncredited) | Police Officer 643 (uncredited) |
 Walter SoderlingJonathan Harris - Watchmaker (uncredited) | Jonathan Harris - Watchmaker (uncredited) |
