"Frankenstein's unscrupulous colleague, Dr. Bohmer, plans to transplant Ygor's brain so he can rule the world using the monster's body, but the plan goes sour when he turns malevolent and goes on a rampage."
Cedric Hardwicke
as Dr. Ludwig Frankenstein / Dr. Henry Frankenstein (ghostly image)
Ralph Bellamy
as Erik Ernst
Lionel Atwill
as Dr. Bohmer
Bela Lugosi
as Ygor
Evelyn Ankers
as Elsa Frankenstein
Lon Chaney Jr.
as The Frankenstein Monster
Janet Ann Gallow
as Cloestine Hussman
Barton Yarborough
as Dr. Kettering
Doris Lloyd
as Martha the Housekeeper
Leyland Hodgson
as Chief Constable
Olaf Hytten
as Adolph Hussman
Holmes Herbert
as Magistrate
Richard Alexander
as Villager at Council Meeting (uncredited)
Lionel Belmore
as Councilman (uncredited)
Chet Brandenburg
as Villager (uncredited)
Colin Clive
as Dr. Henry Frankenstein (flashback) (uncredited)
Harry Cording
as Mob Leader (uncredited)
George Eldredge
as Constable (uncredited)
Dwight Frye
as Villager at Meeting / Grave Robber (flashback) (uncredited)
Lawrence Grant
as Mayor (uncredited)
Otto Hoffman
Brandon Hurst
as Hans, Villager at Council Meeting (uncredited)
Michael Mark
Jimmy Phillips
as Boy Playing Indian (uncredited)
William Smith
as Boy (uncredited)
Ernie Stanton
Julius Tannen
as Sektal (uncredited)
Harry Tenbrook
as Villager at Hearing (uncredited)
Glen Walters
as Mother of Hungry Children (uncredited)
Janet Warren
as Goose-herd (uncredited)
Teddy Infuhr
Erle C. Kenton
Director
Scott Darling
Screenplay
George Waggner
Producer
Milton Krasner
Director of Photography
Ted J. Kent
Editor
Russell A. Gausman
Set Decoration
Vera West
Costume Design
Jack Pierce
Makeup Artist
Ellis Burman
Elwood Bredell
Harold H. MacArthur
Art Direction
Jack Otterson
Bernard B. Brown
Sound Director
Eric Taylor
Original Story
Charles S. Gould
Assistant Director
John P. Fulton
Special Effects
Eddie Parker
Stunts
Charles Maxwell
Orchestrator
Charles Previn
Music
Hans J. Salter
Original Music Composer
Mary Shelley
Characters
Charles Carroll
Sound