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.
Directed by
Erle C. Kenton
William Smith
Boy (uncredited)
Bela Lugosi
Ygor
Ralph Bellamy
Erik Ernst
Lon Chaney Jr.
The Frankenstein Monster
Cedric Hardwicke
Dr. Ludwig Frankenstein / Dr. Henry Frankenstein (ghostly image)
Evelyn Ankers
Elsa Frankenstein
Doris Lloyd
Martha the Housekeeper
Holmes Herbert
Magistrate
Richard Alexander
Villager at Council Meeting (uncredited)
Dwight Frye
Villager at Meeting / Grave Robber (flashback) (uncredited)