| Person | Type | Job | Role(s) |
|---|---|---|---|
 Arthur P. Schmidt | Crew | Editing | Editor |
Ben Roberts | Crew | Writing | Story |
Colbert Clark | Crew | Production | Associate Producer |
Ernst Toch | Crew | Sound | Original Music Composer |
F. Hugh Herbert | Crew | Writing | Writer |
Gene Merritt | Crew | Sound | Sound Recordist |
Gerard Carbonara | Crew | Sound | Original Music Composer |
Haldane Douglas | Crew | Art | Art Direction |
Hans Dreier | Crew | Art | Art Direction |
Jay Dratler | Crew | Writing | Writer |
John Cope | Crew | Sound | Sound Recordist |
 John F. Seitz | Crew | Camera | Director of Photography |
 John Leipold | Crew | Sound | Original Music Composer |
 Robert Siodmak | Crew | Directing | Director |
 Sidney Sheldon | Crew | Writing | Story |
 Sol C. Siegel | Crew | Production | Producer |
 Adrian Morris | Cast | Actor | Officer John Prescott |
 Albert Bassermann | Cast | Actor | Dr. Storm |
 Arthur Loft | Cast | Actor | Inspector Karns |
 Clem Bevans | Cast | Actor | Station Watchman |
 Cy Kendall | Cast | Actor | Dahlig |
 Dick Rich | Cast | Actor | Guard (Uncredited) |
 Eddie Acuff | Cast | Actor | Garage Attendantt (Uncredited) |
 Eddie Dunn | Cast | Actor | Police Sergeant (Uncredited) |
 Edward Gargan | Cast | Actor | Officer Charlie Prescott |
 Ella Neal | Cast | Telephone Operator (Uncredited) | |
 Gladys Blake | Cast | Actress | Sales Clerk (Uncredited) |
 Harry Tenbrook | Cast | Actor | Truck Driver (Uncredited) |
 J. Anthony Hughes | Cast | Actor | Policeman at Garage (Uncredited) |
John Butler | Cast | Actor | Detective Jenks |
 John Dilson | Cast | Actor | Police Dr. Tracy |
Kate MacKenna | Cast | Actress | Cook at Gas Station |
 Marion Martin | Cast | Actress | Nurse |
 Martin Kosleck | Cast | Actor | George Taylor |
 Mary Gordon | Cast | Actress | Ma Prescott |
 Miles Mander | Cast | Actor | Professor Langer |
 Milton Kibbee | Cast | Actor | Hotel Desk Clerk (Uncredited) |
 Nancy Kelly | Cast | Actress | Pat Lindsay |
 Nell Craig | Cast | Actress | Sales Clerk (Uncredited) |
 Nestor Paiva | Cast | Actor | Grube |
 Oscar O'Shea | Cast | Actor | Pa Prescott |
 Pat Flaherty | Cast | Actor | Taxi Driver at Station (Uncredited) |
 Paul McVey | Cast | Actor | Cop on Small Town Street (Uncredited) |
 Richard Carlson | Cast | Actor | Dr. Geoffrey Burton |
 Si Jenks | Cast | Actor | Gateman at Sanitarium (Uncredited) |
 Stanley Blystone | Cast | Actor | Policeman (Uncredited) |
 Wade Boteler | Cast | Actor | O'Brien (Uncredited) |
 Walter Kingsford | Cast | Actor | Heydt |
 William Wright | Cast | Actor | Intern (Uncredited) |
| Person | Type | Job | Role(s) |
