| Person | Type | Job | Role(s) |
|---|---|---|---|
 Curt Siodmak | Crew | Writing | Story |
 Franz Schulz | Crew | Writing | Story |
Gerard Carbonara | Crew | Sound | Music |
Lester Cole | Crew | Writing | Screenplay |
Ralph Murphy | Crew | Directing | Director |
 Sol C. Siegel | Crew | Production | Producer |
 Theodor Sparkuhl | Crew | Camera | Director of Photography |
Thomas Scott | Crew | Editing | Editor |
 W.P. Lipscomb | Crew | Writing | Screenplay |
 Al Hill | Cast | Actor | Cop #2 in Cafe |
 Archie Twitchell | Cast | Suspicious Cafe Waiter | |
 Arthur Stuart Hull | Cast | Actor | Co-Pilot |
Arthur Yeoman | Cast | Prison Wagon Driver | |
 Bess Flowers | Cast | Actress | Cascade Club Dancer |
Betty Farrington | Cast | Actress | Dance Club Woman |
 Bud Geary | Cast | Actor | Air Raid Warden |
Charles McAvoy | Cast | Actor | Cop |
 Clem Bevans | Cast | Actor | Midas Plant Night-Watchman |
 Cy Kendall | Cast | Actor | Hotel Clerk |
Dick Rush | Cast | Actor | Cop |
 Eddie Kane | Cast | Actor | Headwaiter |
 Edward Earle | Cast | Actor | Army Major |
 Edward Hearn | Cast | Actor | Sergeant |
 Edward Peil Sr. | Cast | Actor | Air Raid Warden |
 Edwin Maxwell | Cast | Actor | District attorney |
 Eleanor Stewart | Cast | Actress | Secretary |
 Eva Gabor | Cast | Actress | Marie Duval |
Francis Sayles | Cast | Actor | Court Clerk |
 Frank Moran | Cast | Actor | Companion of Injured Criminal in Black Maria |
 Frank O'Connor | Cast | Actor | Fire Chief |
Frank Wayne | Cast | Actor | Military Police Sergeant |
 Fred Kelsey | Cast | Actor | Cop |
 Fred Santley | Cast | Actor | Injured Prisoner |
 George Eldredge | Cast | Actor | Police Dispatcher |
 George Lloyd | Cast | Actor | Cop |
 George Magrill | Cast | Actor | Soldier |
 George Melford | Cast | Actor | Banker in Park |
 Gladden James | Cast | Actor | Clerk |
Gloria Williams | Cast | Dance Club Woman | |
Harry Harvey Jr. | Cast | Actor | Kid at Bomb |
 Harry Strang | Cast | Actor | Gas Officer |
 Henry Roquemore | Cast | Actor | Businessman |
 J. Edward Bromberg | Cast | Actor | Pickpocket |
Jack Chapin | Cast | Corporal | |
 Jack Egan | Cast | Actor | Interne |
 Jack Luden | Cast | Actor | Engineer |
 Jack Norton | Cast | Actor | Drunk |
 Jack Randall | Cast | Actor | Interne |
Jack Roberts | Cast | Minor Executive at Defense Headquarters | |
Jessie Perry | Cast | Woman in Park | |
 Jim Farley | Cast | Actor | Cop |
 John Banner | Cast | Actor | |
 John Hamilton | Cast | Actor | Police Captain |
 John Kellogg | Cast | Actor | Bombardier Sergeant |
 John Sheehan | Cast | Actor | Sergeant |
 Julia Faye | Cast | Actress | Dance Club Woman |
 Keith Richards | Cast | Actor | Interne |
 Kernan Cripps | Cast | Actor | Suspicious Cafe Cop |
Laurie Douglas | Cast | Actress | Girl |
 Lee Phelps | Cast | Actor | Cop |
 Lee Shumway | Cast | Actor | Cop |
 Louis Jean Heydt | Cast | Actor | Harold Kermin |
 Margaret Armstrong | Cast | Actress | Telephone Operator Supervisor |
 Martha O'Driscoll | Cast | Actress | Mary Jones |
 Martin Faust | Cast | Actor | Announcer |
 Mary Treen | Cast | Actress | Irene |
 Monte Blue | Cast | Actor | Colonel |
 Nora Lane | Cast | Actress | Nurse in Bomb Shelter |
 Patrick McVey | Cast | Actor | Police Radio Operator |
 Paul McVey | Cast | Actor | Civil Defense Official |
 Paul Stanton | Cast | Actor | Judge |
 Peter Leeds | Cast | Actor | Air Raid Warden |
 Philip Merivale | Cast | Actor | John Runnell |
 Ralph Dunn | Cast | Actor | Cop |
 Ralph Peters | Cast | Actor | Soldier |
 Rebel Randall | Cast | Actress | Civil Defense Girl on Truck |
 Richard Webb | Cast | Actor | Interne |
 Robert Emmett Keane | Cast | Actor | Defense Attorney |
 Robert Homans | Cast | Actor | Police Desk Sergeant |
 Robert Preston | Cast | Actor | Robert Draper |
Robert Winkler | Cast | Actor | Kid at Bomb |
 Rod Cameron | Cast | Actor | Pilot |
Rose Plumer | Cast | Actress | Woman in Street |
 Russell Hicks | Cast | Actor | Commanding Officer |
 Sam Ash | Cast | Actor | Official Announcer |
 Sammy McKim | Cast | Actor | Kid at Bomb |
 Spencer Charters | Cast | Actor | Cornelius |
 Stanley Blystone | Cast | Actor | Sergeant |
Ted Oliver | Cast | Actor | Sergeant |
 Thurston Hall | Cast | Actor | Williams |
 Wade Boteler | Cast | Actor | Cop |
 Wallis Clark | Cast | Actor | Pompous Doctor |
Walter Shumway | Cast | Actor | Bomb Shelter Official |
 Warren Ashe | Cast | Actor | Officious Doctor |
William Cabanne | Cast | Actor | Radio Operator |
 Chuck Hamilton | Cast | Actor | Air Raid Warden |
 Howard M. Mitchell | Cast | Actor | Bailiff |
Len Hendry | Cast | Actor | Sentry |
 Louise La Planche | Cast | Actress | Salesgirl |
 George Turner | Cast | Soldier | |
| Person | Type | Job | Role(s) |
