Directed by
| Lionel Barrymore | ||
Writing Credits
| Ben Hecht | ... | (story) |
| Edwin Justus Mayer | ... | (screen play) |
| Dorothy Farnum | ... | (adaptation) |
| Joseph Farnham | ... | (titles) (uncredited) |
Cast (in credits order) verified as complete
| Ernest Torrence | ... | Dr. Ballou | |
| Roland Young | ... | Lord Montague | |
| Dorothy Sebastian | ... | Lady Efra Cavendar | |
| Natalie Moorhead | ... | Lady Violet Montague | |
 |
Sydney Jarvis | ... | The Butler |
| Polly Moran | ... | Polly - the Maid | |
| George Cooper | ... | Frey - Lord Montague's Orderly | |
| Sôjin Kamiyama | ... | The Mystic (as Sojin) | |
|
|
Claude Fleming | ... | Sir James Rumsey |
| Clarence Geldert | ... | Inspector Lewis | |
| John Miljan | ... | Major Mallory | |
| Richard Tucker | ... | Col. Davidson | |
| John Loder | ... | Capt. Dorchester | |
| Philip Strange | ... | Lieut. Williams | |
| John Roche | ... | Lieut. Savor | |
| Lionel Belmore | ... | Major Endicott | |
|
|
Gerald Barry | ... | Capt. Bradley |
| Richard Travers | ... | Major McDougal | |
| Rest of cast listed alphabetically: | |||
|
|
Fred Farrell | ... | Guest at First Seance (uncredited) |
| Boris Karloff | ... | Abdul Mohammed Bey - the Hindu Lawyer (uncredited) | |
| Scott McKee | ... | Dr. Walton (uncredited) | |
| Ellinor Vanderveer | ... | Guest at First Seance (uncredited) | |
Music by
| William Axt | ... | (uncredited) |
Cinematography by
| Ira H. Morgan | ... | (as Ira Morgan) (photographed by) |
Editing by
| Grant Whytock | ... | film editor |
Art Direction by
| Cedric Gibbons | ||
Costume Design by
| Adrian | ... | (gowns) |
Sound Department
| Douglas Shearer | ... | recording engineer |
| Paul Neal | ... | sound recording engineer (uncredited) |
