Metro-Goldwyn-Mayer ; Orion Pictures ; American International ; Samuel Z. Arkoff presents ; screenplay by Joan Torres and Raymond Koenig ; produced by Joseph T. Naar ; directed by William Crain. Scream, Blacula, scream / Metro-Goldwyn-Mayer ; American International ; Samuel Z. Arkoff presents ; screenplay by Joan Torres & Raymond Koenig and Maurice Jules ; story by Joan Torres & Raymond Koenig ; produced by Joseph T. Naar ; directed by Bob Kelljan