| Person | Type | Job | Role(s) |
|---|---|---|---|
 Bella Spewack | Crew | Writing | Adaptation |
 Cedric Gibbons | Crew | Art | Art Direction |
Dolly Tree | Crew | Costume & Make-Up | Wardrobe Designer |
Dolph Zimmer | Crew | Directing | Assistant Director |
 Douglas Shearer | Crew | Crew | Sound Recordist |
 Edwin B. Willis | Crew | Art | Assistant Art Director |
George Oppenheimer | Crew | Writing | Screenplay |
Herbert O. Yardley | Crew | Writing | Book |
Hugh Wynn | Crew | Editing | Editor |
 James Wong Howe | Crew | Camera | Director of Photography |
Lawrence Weingarten | Crew | Production | Producer |
P.J. Wolfson | Crew | Writing | Screenplay |
Sam Spewack | Crew | Writing | Adaptation |
 Sam Wood | Crew | Directing | Director |
William Axt | Crew | Sound | Original Music Composer |
William H. Daniels | Crew | Camera | Director of Photography |
 William K. Howard | Crew | Directing | Director, Producer |
 Al Bridge | Cast | Actor | Sergeant (uncredited) |
Arno Frey | Cast | Actor | Army Officer (uncredited) |
 Belle Mitchell | Cast | Actress | Mexican (uncredited) |
 Bernadene Hayes | Cast | Actress | Bobbie Burns (uncredited) |
 Bert Moorhouse | Cast | Actor | 2nd Lieutenant (uncredited) |
 Binnie Barnes | Cast | Actress | Olivia Karloff |
Bob Perry | Cast | Actor | G-Man (uncredited) |
 Cesar Romero | Cast | Actor | Capt. Nicholas 'Nikki' Nieterstein |
 Charles Coleman | Cast | Actor | Café Doorman (uncredited) |
 Charles Trowbridge | Cast | Actor | Secretary of War Baker |
 Charley Grapewin | Cast | Actor | Prof. Martin |
 Cyril Ring | Cast | Actor | Orderly (uncredited) |
 David Burns | Cast | Actor | German-Speaking Bellhop (uncredited) |
Earl Eby | Cast | G-Man (uncredited) | |
 Edgar Dearing | Cast | Actor | 1st Military Policeman (uncredited) |
 Edward Earle | Cast | Actor | Man in Code Room (uncredited) |
Eileen O'Malley | Cast | Actress | Red Cross Nurse (uncredited) |
Eric Wilton | Cast | Actor | Kesterman (uncredited) |
 Frank Lackteen | Cast | Actor | Customs Officer in Mexico (uncredited) |
 Frank O'Connor | Cast | Actor | Officer (uncredited) |
 Frank Reicher | Cast | Actor | Dr. R.A. Jackson |
 Gino Corrado | Cast | Actor | Code Room Clerk (uncredited) |
 Guy Usher | Cast | Actor | Ship's Captain (uncredited) |
 Hans Fuerberg | Cast | German Torpedo Man (uncredited) | |
 Harry C. Bradley | Cast | Actor | Cashier (uncredited) |
Henry Mowbray | Cast | Diplomat (uncredited) | |
 Henry Stephenson | Cast | Actor | Russian Ambassador Gregory |
 Howard Hickman | Cast | Actor | G-Man |
Jack Hatfield | Cast | Drug Store Clerk (uncredited) | |
 James Flavin | Cast | Actor | 2st Military Policeman (uncredited) |
 James P. Burtis | Cast | Actor | Private (uncredited) |
 John Harmon | Cast | Actor | Telegrapher (uncredited) |
 Johnny Arthur | Cast | Actor | Code Room Clerk (uncredited) |
 Larry Steers | Cast | Actor | Partitioner (uncredited) |
 Lee Kohlmar | Cast | Actor | Tailor (uncredited) |
 Leonard Mudie | Cast | Actor | Roberts |
 Leonid Snegoff | Cast | Actor | Kaieneff (uncredited) |
 Lionel Atwill | Cast | Actor | Maj. William Brennan |
Lowden Adams | Cast | Actor | Butler (uncredited) |
 Lynton Brent | Cast | Actor | Decoder (uncredited) |
 Margaret Dumont | Cast | Actress | Mrs. Hendricks (uncredited) |
 Mary Forbes | Cast | Actress | Lady Cavendish (uncredited) |
 Max Barwyn | Cast | Actor | Boris Stronskoff - Russian Singer (uncredited) |
 Melville Cooper | Cast | Actor | Doorman (uncredited) |
 Mickey Rooney | Cast | Actor | Country Boy (uncredited) |
 Milburn Stone | Cast | Actor | Carter's Aide (uncredited) |
Monte Vandergrift | Cast | Sailor (uncredited) | |
 Morgan Wallace | Cast | Actor | Gardner (uncredited) |
 Murray Kinnell | Cast | Actor | de Segroff |
 Rosalind Russell | Cast | Actress | Joel Carter |
 Rudolph Anders | Cast | Actor | Radio Operator (uncredited) |
 Sam Ash | Cast | Actor | Mexican (uncredited) |
Sam Savitsky | Cast | Colonel Petroff (uncredited) | |
 Samuel S. Hinds | Cast | Actor | John Carter, Assistant Secretary of War |
Sherry Hall | Cast | Actor | Pvt. Dean (uncredited) |
 Sid Silvers | Cast | Actor | Recruiter (uncredited) |
 Sidney Bracey | Cast | Actor | Jackson's Assistant (uncredited) |
 Sterling Holloway | Cast | Actor | Taxi Driver (uncredited) |
 Theodore von Eltz | Cast | Actor | Desk Clerk Assistant (uncredited) |
 William Newell | Cast | Actor | Carter's Receptionist (uncredited) |
 William Powell | Cast | Actor | Lt. William 'Bill' Gordon / Anson Meridan |
 William V. Mong | Cast | Actor | Hotel Desk Clerk (uncredited) |
 Winter Hall | Cast | Actor | Chaplain (uncredited) |
Rollo Dix | Cast | Orderly (uncredited) | |
 Tom Dugan | Cast | Actor | Agent Patrick O'Reilly (uncredited) |
 Michael Vallon | Cast | Actor | Orderly (uncredited) |
 Hedwiga Reicher | Cast | Actress | De Segroff's Associate (uncredited) |
| Person | Type | Job | Role(s) |
