Trailer
Images
 | Ernest Torrence as Dr. Ballou |
 | Roland Young as Lord Montague |
 | Dorothy Sebastian as Lady Efra |
 | Natalie Moorhead as Lady Vi |
 | Sydney Jarvis as The Butler |
 | Polly Moran as Polly, Maid |
 | George Cooper as Frey, Lord Montague's Orderly |
 | Sôjin Kamiyama as The Mystic |
 | Claude Fleming as Sir James Rumsey |
 | Clarence Geldart as Inspector Lewis |
 | John Miljan as Major Mallory |
 | Richard Tucker as Colonel Davidson |
 | John Loder as Captain Dorchester |
 | Philip Strange as Lieutenant Williams |
 | John Roche as Lieutenant Savor |
 | Lionel Belmore as Major Endicott |
 | Gerald Barry as Captain Bradley |
 | Richard Travers as Major McDougal |
 | Ellinor Vanderveer as Guest at First Seance |
 | Boris Karloff as Abdul Mohammed Bey - the Hindu Lawyer (uncredited) |
| Directing | |
| Lionel Barrymore | Director |
Writing | |
| Edwin Justus Mayer | Screenplay |
Costume & Make-Up | |
| Adrian | Costume Design |
Editing | |
| Grant Whytock | Editor |
Writing | |
| Dorothy Farnum | Adaptation |
| Ben Hecht | Story |
Art | |
| Cedric Gibbons | Art Direction |
Camera | |
| Ira H. Morgan | Director of Photography |
Sound | |
| Douglas Shearer | Sound Recordist |
| Paul Neal | Sound Engineer |
| William Axt | Original Music Composer |
Writing | |
| Dorothy Farnum | Writer |
