A wolfman is among the guests of an isolated mansion. Who is it, and who will find out the secret before becoming his prey? Peter Cushing, Calvin Lockhart, Marlene Clark, and Charles Gray star in this chiller that gives you the chance to guess the werewolf's identity. AKA: "Black Werewolf." 92 min. Widescreen (Enhanced); Soundtrack: English Dolby Digital mono; audio commentary; featurettes; photo gallery; biographies; theatrical trailer.