A man and wife are terrorized by Mad Scientist Dr. Callistratus who was executed but has returned to life with a heart transplant. Along with his crippled assistant Carl, the 'anemic' Mad Scientist, believed to be a vampire, conducts blood deficiency research on the inmates of a prison hospital for the criminally insane to sustain his return to life.
Unfortunately the movie Blood of the Vampire is not yet available on HBO Max.
| Directing | Henry Cass | Director |
| Writing | Jimmy Sangster | Writer |
| Sound | Stanley Black | Original Music Composer |
| Production | Robert S. Baker | Producer |
| Production | Monty Berman | Producer |
| Editing | Douglas Myers | Editor |
| Camera | Monty Berman | Director of Photography |
| Art | John Elphick | Production Design |
| Art | John Elphick | Art Direction |
| Costume & Make-Up | Jimmy Evans | Makeup Artist |
| Costume & Make-Up | Joyce James | Hairstylist |
| Production | Charles Permane | Production Manager |
