Director Paul Landres apparently liked the character name "Dr. Paul Beecher" so he used it twice - as the main lead in this film and as a small supporting character in his follow up "The Return of Dracula" (1958) starring Francis Lederer.
The movie inspired comic book writer Roy Thomas to create the character of Morbius the Living Vampire.
Italian censorship visa # 29025 delivered on 27 April 1959.