Directed by
| Gilbert Miller | ||
Writing Credits (in alphabetical order)
| Guy Bolton | ... | (screenplay) |
| Louis Verneuil | ... | (story) |
Cast (in credits order)
| Leslie Howard | ... | Albert Latour (as Mr. Leslie Howard) | |
| Cedric Hardwicke | ... | Gustav Dupont | |
| Binnie Barnes | ... | Helene Dupont | |
| Nigel Playfair | ... | Professor Menard (as Sir Nigel Playfair) | |
| Nigel Bruce | ... | Welton | |
| Claud Allister | ... | Brevin (as Claude Allister) | |
 |
W. Graham Brown | ... | Monsieur Pignolet (as W. Graham Browne) |
| Kendall Lee | ... | Valerie | |
|
|
Arthur Howard | ... | Dr. Germont |
| Rest of cast listed alphabetically: | |||
| Virginia Field | ... | Maid (uncredited) | |
| John Turnbull | ... | Butler (uncredited) | |
| George Zucco | ... | Man from Reclamation Agent (uncredited) | |
Produced by
| Joseph Friedman | ... | producer |
Cinematography by
| Joseph Walker | ... | (photography) |
Editing by
| Otto Ludwig | ||
Art Direction by
| Oscar Friedrich Werndorff | ... | (uncredited) |
Sound Department
| Edward Bernds | ... | sound (uncredited) |
Camera and Electrical Department
| George Seid | ... | camera operator (uncredited) |
Costume and Wardrobe Department
| Eugene Joseff | ... | costume jeweller (uncredited) |
Additional Crew
| Harry Cohn | ... | president: Columbia Pictures Corporation |
