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.
Dr. Ludwig Frankenstein / Dr. Henry Frankenstein (ghostly image)
Erik Ernst
Dr. Bohmer
Ygor
Elsa Frankenstein
The Frankenstein Monster
Cloestine Hussman
Dr. Kettering
Martha the Housekeeper
Chief Constable
Adolph Hussman
Magistrate
Villager at Council Meeting (uncredited)
Councilman (uncredited)
Villager (uncredited)
Dr. Henry Frankenstein (flashback) (uncredited)
Mob Leader (uncredited)
Constable (uncredited)
Villager at Meeting / Grave Robber (flashback) (uncredited)
Mayor (uncredited)
Hans, Villager at Council Meeting (uncredited)
Boy Playing Indian (uncredited)
