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