Detective hunts strangler who calls radio therapist. DVD Year 1980 Video Release 2006-10-10 Studio Vinegar Syndrome Genre Horror MPAA Rating R Color Color Runtime 94 Animated Live-Action Full Synopsis Vietnam vet Kirk Smith Nicholas Worth spends his days photographing pretty girls. He spends his nights strangling them. With the LAPD baffled by what seems to be a series of random killings, radio psychiatrist Lindsay Gale begins receiving menacing calls from Smith, who then sets his murderous sights on her patients, and soon Gale herself... One time director Robert Hammer's gripping and suspenseful early slasher, DON'T ANSWER THE PHONE!, blends unnerving psychological drama with brutal violence, complimented by a career performance from Nicholas Worth and atmospheric cinematography by James L. Carter TEXAS CHAINSAW MASSACRE 3 . Vinegar Syndrome presents this genre film masterpiece freshly restored in 4k from its recently discovered 35mm original camera negative, and looking better than it ever has on home video. Director Robert Hammer Cast Robert Hammer; Nicholas Worth; James Westmoreland; Flo Lawrence; Ben Frank; Denise Galik