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.
Andrew Faulds, Barbara Burke, Barbara Shelley, Bernard Bresslaw, Bruce Wightman, Bryan Coleman, Cameron Hall, Colin Tapley, Denis Shaw, Donald Wolfit, George Murcell, Gordon Honeycombe, Hal Osmond, Henri Vidon, John Le Mesurier, John Stuart, Julian Strange, Max Brimmell, Milton Reid, Otto Diamant, Richard Golding, Theodore Wilhelm, Victor Maddern, Vince
Horror, Sci-Fi