Lon Chaney Jr.
Dr. Mendell
John Carradine
Narrator / Tristram Halbin
Rochelle Hudson
Helen Spalding
Roger Gentry
Bob Farrell / Mob Leader / Dr. Sevard / Jonathan Harker
Ron Doyle
Brenner / Dr. Charles Spalding / Dr. Cushing
Karen Joy
Julie Farrell / Medina, the Vampire
Vic McGee
Dr. Finchley / Desmond / Amos Duncan / The Burgermeister
Margaret Moore
Mrs. O'Shea