A scientist working on cures for rare afflictions, such as a bone softening agent made from molds to allow him to correct the spinal deformity of his nurse, finds the physical causes of lycanthropy in wolf-man Larry Talbot and of vampirism in Count Dracula, but himself becomes afflicted with homicidal madness while exchanging blood with Dracula.
as Count Dracula
as Dr. Franz Edelmann
as Lawrence Stewart Talbot
as Miliza Morelle
as Nina
as Police Inspector Holtz
as The Frankenstein Monster
as Siegfried
as Steinmuhl
as Brahms - Coroner (uncredited)
as Villager (uncredited)
as Villager (uncredited)
as Villager (uncredited)
as Villager (uncredited)
as Gendarme (uncredited)
as Gendarme (uncredited)
as (uncredited)
as (uncredited)
