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