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)
Ralph Bellamy
Erik Ernst
Lon Chaney Jr.
The Frankenstein Monster
Cedric Hardwicke
Dr. Ludwig Frankenstein / Dr. Henry Frankenstein (ghostly image)
Leyland Hodgson
Chief Constable
Bela Lugosi
Ygor
Doris Lloyd
Martha the Housekeeper
George Eldredge
Constable (uncredited)
Richard Alexander
Villager at Council Meeting (uncredited)
Evelyn Ankers
Elsa Frankenstein
Harry Cording
Mob Leader (uncredited)
Colin Clive
Dr. Henry Frankenstein (flashback) (uncredited)
Eddie Parker
Dwight Frye
Villager at Meeting / Grave Robber (flashback) (uncredited)