| Person | Type | Job | Role(s) |
|---|---|---|---|
 Bernard Herzbrun | Crew | Art | Art Direction |
 Bud Westmore | Crew | Costume & Make-Up | Makeup Artist |
Chester Erskine | Crew | Directing | Director, Screenplay, Producer |
Connie Earl | Crew | Directing | Script Supervisor |
David Shaw | Crew | Writing | Novel |
Emile LaVigne | Crew | Costume & Make-Up | Makeup Artist |
Emrich Nicholson | Crew | Art | Art Direction |
 Franz Planer | Crew | Camera | Director of Photography |
 Irwin Shaw | Crew | Writing | Screenplay, Novel |
Jack Hively | Crew | Production | Associate Producer |
Joan St. Oegger | Crew | Costume & Make-Up | Hairstylist |
John Sherwood | Crew | Directing | Assistant Director |
Leslie I. Carey | Crew | Sound | Sound |
Norman Stuart | Crew | Crew | Dialogue Coach |
 Orry-Kelly | Crew | Costume & Make-Up | Costume Design |
Richard DeWeese | Crew | Sound | Sound |
Ruby R. Levitt | Crew | Art | Set Decoration |
Russell A. Gausman | Crew | Art | Set Decoration |
Russell F. Schoengarth | Crew | Editing | Editor |
Sherman Clark | Crew | Camera | Still Photographer |
 Walter Scharf | Crew | Sound | Original Music Composer |
David S. Horsley | Crew | Visual Effects | Visual Effects, Special Effects |
Lew Leary | Crew | Production | Production Manager |
Ethmer Roten | Crew | Sound | Musician |
Dave Ragin | Crew | Camera | Camera Operator |
Roland Smith | Crew | Camera | Grip |
Emmy Eckhardt | Crew | Costume & Make-Up | Hairstylist |
Warren Monroe | Crew | Lighting | Gaffer |
 Adolph Faylauer | Cast | Actor | Bald Man at Lecture (uncredited) |
 Art Baker | Cast | Actor | Henry Pritchard |
Brick Sullivan | Cast | Actor | Policeman (uncredited) |
Charles McAvoy | Cast | Actor | Policeman (uncredited) |
 Charles Sullivan | Cast | Actor | Truck Driver in Cafe (uncredited) |
 Dorothy Hart | Cast | Actress | Helen Gentling |
 Dorothy Vaughan | Cast | Actress | Leona (uncredited) |
 Edmund Cobb | Cast | Actor | Policeman (uncredited) |
 Enid Markey | Cast | Actress | Clara (uncredited) |
 Felix Bressart | Cast | Actor | Professor Morris Avrum |
 Francis Pierlot | Cast | Actor | Dr. Herbert Watson |
 Frank Cady | Cast | Actor | Reporter (uncredited) |
 George Lynn | Cast | Actor | Policeman (uncredited) |
 Harland Tucker | Cast | Actor | Clerk (uncredited) |
 Herbert Heywood | Cast | Actor | Attendant (uncredited) |
 Houseley Stevenson | Cast | Actor | Montgomery Thatcher |
 Howard Freeman | Cast | Actor | Dr. Markheim |
 Jack Rice | Cast | Actor | Good Humor Man (uncredited) |
 James Gleason | Cast | Actor | Captain Gledhill |
 Jess Barker | Cast | Actor | Arnold Sykes |
 Jim Toney | Cast | Bartender (uncredited) | |
 Johnny Duncan | Cast | Actor | Bellhop (uncredited) |
 Leonard Bremen | Cast | Actor | Truck Driver (uncredited) |
 Lyle Latell | Cast | Actor | Reporter (uncredited) |
 Marjorie Bennett | Cast | Actress | Waitress (uncredited) |
 Marsha Hunt | Cast | Actress | Martha Wier |
 Maurice Marsac | Cast | Actor | Louis (uncredited) |
 Mikel Conrad | Cast | Actor | Freddie Blair |
 Minerva Urecal | Cast | Actress | Gas Station Attendant (uncredited) |
 Paul Brinegar | Cast | Actor | Reporter (uncredited) |
 Paul Harvey | Cast | Actor | Mr. Arnspiger |
 Ralph Peters | Cast | Actor | Portly Man (uncredited) |
 Sandra Gould | Cast | Actress | Newspaper Girl (uncredited) |
 Sheldon Leonard | Cast | Actor | Detective Pacciano |
 Shelley Winters | Cast | Actress | Catherine Sykes |
 Tommy Ivo | Cast | Actor | Horace - Boy at Roadblock (uncredited) |
Vangie Beilby | Cast | Old Lady at Lecture (uncredited) | |
 William Powell | Cast | Actor | Andrew Gentling |
 Chuck Hamilton | Cast | Actor | Policeman (uncredited) |
Ethyl May Halls | Cast | Actress | Woman at Window (uncredited) |
Helen Crozier | Cast | Maid (uncredited) | |
| Person | Type | Job | Role(s) |
