Directed by
| William K. Howard | ||
Writing Credits (in alphabetical order)
| Denison Clift | ... | (play) |
| Garrett Fort | ... | (dialogue) |
| Garrett Fort | ... | (screenplay) |
Cast (in credits order) complete, awaiting verification
| Edmund Lowe | ... | Sir John Lasher / Dakin Barrolles | |
| Joan Bennett | ... | Xandra, Lady Lasher | |
| Donald Crisp | ... | Charles Fox | |
| Georges Renavent | ... | Dr. Dean | |
| Lumsden Hare | ... | Sir Clive Heathcote | |
| David Torrence | ... | Captain Graves | |
| Barbara Leonard | ... | Nurse Cecilia | |
| Rest of cast listed alphabetically: | |||
 |
Norman Ainsley | ... | Reggie, Xandra's Suitor (uncredited) |
| Adrienne D'Ambricourt | ... | Madame Rousseau, Innkeeper (uncredited) | |
| Halliwell Hobbes | ... | Lord St. Arran (uncredited) | |
| Arnold Lucy | ... | Mc Killop (uncredited) | |
| J. Carrol Naish | ... | Dr. Remur (uncredited) | |
| Reginald Sharland | ... | Lasher's Secretary (uncredited) | |
Produced by
| Ralph Block | ... | producer |
Music by
| Arthur Kay | ... | (uncredited) |
Cinematography by
| George Schneiderman | ||
Editing by
| Jack Murray | ||
Art Direction by
| Duncan Cramer | ||
Costume Design by
| Sophie Wachner | ||
Second Unit Director or Assistant Director
| Ray Flynn | ... | assistant director |
| R.L. Hough | ... | assistant director |
Sound Department
| Albert Protzman | ... | sound (as Al Protzman) |
| Pierluigi Scarpantonio | ... | audio restorer |
Costume and Wardrobe Department
| Sam Benson | ... | wardrobe (uncredited) |
Music Department
| Hugo Friedhofer | ... | composer: additional music (uncredited) |
| Emil Gerstenberger | ... | composer: additional music (uncredited) |
| Glen Knight | ... | composer: additional music (uncredited) |
Additional Crew
| William Fox | ... | presenter |
| Gerald L.G. Sampson | ... | technical director |
