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.
Elenco:
Lon Chaney Jr.
,
John Carradine
,
Martha O'Driscoll
,
Lionel Atwill
,
Onslow Stevens
,
Jane Adams
,
Ludwig Stössel
,
Glenn Strange
,
Skelton Knaggs
,
Joseph E. Bernard
,
Dick Dickinson
,
Harry Lamont
,
Robert Robinson
,
Anne G. Sterling
,
Fred Cordova
,
Carey Harrison
,
Gregory Marshall
,
Beatrice Gray
.
