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)

Villager (uncredited)

Hans, Villager at Council Meeting (uncredited)

Councilman (uncredited)

Boy Playing Indian (uncredited)

Boy (uncredited)