Paul Naschy returns as Count Waldemar Daninsky, marked with the sign of the wolf and desperate for a cure. Dr. Henry Jekyll (Jack Taylor), a descendant of the infamous doc, offers Waldemar one, but he winds up swapping his feral alter ego for one only slightly less hirsute and just as inhuman-the cruel Mr. Hyde. Spanish shocker co-stars Shirley Corrigan, Mirta Miller, José Marco. 96 min. Widescreen; Soundtracks: Spanish DTS HD stereo Master Audio, English (dubbed) DTS HD stereo Master Audio; Subtitles: English; audio commentary; featurettes. In Spanish with English subtitles/Dubbed in English.