| Person | Type | Job | Role(s) |
|---|---|---|---|
 Bronislau Kaper | Crew | Sound | Music |
 Cedric Gibbons | Crew | Art | Art Direction |
 Daniele Amfitheatrof | Crew | Sound | Music |
 David Snell | Crew | Sound | Music |
 Douglas Shearer | Crew | Sound | Sound Director |
 Edwin B. Willis | Crew | Art | Set Decoration |
Frank E. Hull | Crew | Editing | Editor |
 Harry Stradling Sr. | Crew | Camera | Director of Photography |
Howard Shoup | Crew | Costume & Make-Up | Costume Design |
Irving Asher | Crew | Production | Producer |
 Jack Dawn | Crew | Costume & Make-Up | Makeup Artist |
John Meehan Jr. | Crew | Writing | Screenplay |
Joseph Nussbaum | Crew | Sound | Orchestrator |
 Jules Dassin | Crew | Directing | Director |
Lennie Hayton | Crew | Sound | Original Music Composer |
Leonid Raab | Crew | Sound | Orchestrator |
 Lothar Mendes | Crew | Writing | Story |
Paul Gangelin | Crew | Writing | Screenplay |
Sol Kaplan | Crew | Sound | Music |
Stan Rogers | Crew | Art | Art Direction |
 Sydney Guilaroff | Crew | Costume & Make-Up | Hairstylist |
 Duke York | Crew | Crew | Stunts |
Wally Heglin | Crew | Sound | Orchestrator |
 Ann Ayars | Cast | Actress | Kaaren De Relle |
Arthur Belasco | Cast | Actor | Detective (uncredited) |
 Baldwin Cooke | Cast | Actor | Waiter (uncredited) |
 Barbara Bedford | Cast | Actress | Woman (uncredited) |
 Bernadene Hayes | Cast | Actress | Rosie (uncredited) |
Brick Sullivan | Cast | Actor | Radio Operator (uncredited) |
 Carl M. Leviness | Cast | Actor | Onlooker at Departure (uncredited) |
 Charles Meakin | Cast | Restaurant Patron (uncredited) | |
 Charles Sherlock | Cast | Actor | Detective (uncredited) |
 Christian Rub | Cast | Actor | Mohr (uncredited) |
Clyde Courtright | Cast | Doorman (uncredited) | |
 Conrad Veidt | Cast | Actor | Otto Becker / Baron Hugo von Detner |
 Dorothy Tree | Cast | Actress | Miss Harper |
 Drew Demorest | Cast | Reporter (uncredited) | |
 Edward Hearn | Cast | Actor | Reporter (uncredited) |
Ernie Alexander | Cast | Actor | Sailor (uncredited) |
 Frank Marlowe | Cast | Actor | Sailor (uncredited) |
 Frank Reicher | Cast | Actor | Fritz |
 George Magrill | Cast | Actor | Thug (uncredited) |
George Noisom | Cast | Actor | Bellboy (uncredited) |
Hal Cooke | Cast | Clerk (uncredited) | |
Harry Denny | Cast | Restaurant Patron (uncredited) | |
Harry Stafford | Cast | Elderly Man (uncredited) | |
 Hermine Sterler | Cast | Actress | Mrs. Mohr (uncredited) |
 Ivan F. Simpson | Cast | Actor | Professor Sterling (as Ivan Simpson) |
Buck Russell | Cast | Restaurant Patron (uncredited) | |
Jack Daley | Cast | Actor | Reporter (uncredited) |
Jack Deery | Cast | Actor | Diplomat (uncredited) |
 James Millican | Cast | Actor | Operator (uncredited) |
 Jeff York | Cast | Actor | Keeler (uncredited) |
 Jeffrey Sayre | Cast | Actor | Restaurant Patron (uncredited) |
 Jessie Arnold | Cast | Actress | Landlady (uncredited) |
Joe Gilbert | Cast | Actor | Submarine Radioman (uncredited) |
 Joe Yule | Cast | Actor | Barney (uncredited) |
 Marc Lawrence | Cast | Actor | Joe Aiello |
Margaret Bert | Cast | Actress | |
 Mark Daniels | Cast | Actor | Cab Driver (uncredited) |
 Martin Kosleck | Cast | Actor | Kurt Richten |
 Moroni Olsen | Cast | Actor | Brenner |
Paul Power | Cast | Actor | Restaurant Patron (uncredited) |
 Philip Van Zandt | Cast | Actor | Thug (uncredited) |
 Pierre Watkin | Cast | Actor | Grover Blaine McHenry |
Polly Bailey | Cast | Actress | Fat Woman (uncredited) |
 Ray Teal | Cast | Actor | Officer Graves (uncredited) |
 Robert Homans | Cast | Actor | 1st Captain (uncredited) |
 Roger Moore | Cast | Actor | Messenger (uncredited) |
 Roland Varno | Cast | Actor | Bauer (uncredited) |
 Roy Barcroft | Cast | Actor | Chief Petty Officer (uncredited) |
 Rudolph Anders | Cast | Actor | Cab Driver (uncredited) |
 Russell Simpson | Cast | Actor | 2nd Captain (uncredited) |
 Sidney Blackmer | Cast | Actor | Arnold Milbar |
 Stuart Crawford | Cast | Commentator (voice) (uncredited) | |
 Tim Ryan | Cast | Actor | Officer (uncredited) |
Tom Stevenson | Cast | Actor | Headwaiter (uncredited) |
Walter Bacon | Cast | Actor | Spy (uncredited) |
 Walter Byron | Cast | Actor | Officer (uncredited) |
 Wilbur Mack | Cast | Actor | Reporter (uncredited) |
 William Bailey | Cast | Actor | |
 William Post Jr. | Cast | Actor | Harry (voice) (uncredited) |
 William Tannen | Cast | Actor | Ludwig |
Duke York | Cast | Actor | Sailor (uncredited) |
 Herschel Graham | Cast | Actor | Reporter (uncredited) |
Cliff Danielson | Cast | Youth (uncredited) | |
| Person | Type | Job | Role(s) |
