"A millionaire's brain is preserved after his death by a scientist and his two assistants, only to create a telepathic monster."
Richard Arlen
as Dr. Patrick Cory
Vera Ralston
as Janice Farrell
Erich von Stroheim
as Prof. Franz Mueller
Mary Nash
as Mrs. Fame
Sidney Blackmer
as Eugene Fulton
Helen Vinson
as Chloe Donovan
Charles Cane
as Mr. Grimes
William Henry
as Roger Collins
Juanita Quigley
as Mary Lou
Harry Hayden
as Dr. Martin
Frank Graham
as Narrator
Janet Martin
as Cafe Singer
Lola Montes
as Cafe Dancer
Antonio Triana
Lane Chandler
as Ranger White (Uncredited)
Harry Depp
as Bank Teller (Uncredited)
Sam Flint
as G. Phipps, Bank Manager (Uncredited)
Edward Keane
as Mr. Manning, Bank Official (Uncredited)
Wallis Clark
as Warden (Uncredited)
Josephine Dillon
as Mary Lou's Grandmother
Lee Phelps
as Headwaiter with Phone (Uncredited)
Maxine Doyle
as Fulton's Receptionist (Uncredited)
Tom London
as Man Who Tails Cory (Uncredited)
Herbert Clifton
as Chloe's Butler (Uncredited)
Bess Flowers
as Customer at Arizona Palms Club
Helen Talbot
as Bit Role (Uncredited)
Jack Kirk
as Scenes Deleted
George Sherman
Director
Dane Lussier
Screenplay
Frederick Kohner
Curt Siodmak
Novel
Associate Producer
Walter Scharf
Original Music Composer
Marlin Skiles
John Alton
Director of Photography
Arthur Roberts
Editor
Russell Kimball
Art Direction
Otto Siegel
Set Decoration
R.G. Springsteen
Assistant Director
Earl Crain Sr.
Sound
Theodore Lydecker
Special Effects
Adele Palmer
Wardrobe Supervisor
Orchestrator
Joseph Dubin
Arthur Morton