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.

Cast:Donald Wolfit, Vincent Ball, Barbara Shelley, Victor Maddern, William Devlin, Andrew Faulds,

Genre:Horror, Science Fiction,

country:United Kingdom,

Production:Artistes Alliance Ltd.,