Body Double

Body Double is a 1984 American erotic thriller film cowritten and directed by Brian De Palma and starring Craig Wasson, Melanie Griffith, Deborah Shelton and Gregg Henry. The original musical score was composed by Pino Donaggio.

Jake Scully Craig Wasson is a struggling actor who has lost his role as a vampire in a lowbudget horror movie after his claustrophobia thwarts shooting. After returning home to discover his girlfriend cheating on him, he is left without a place to stay. At a method acting class he meets Sam Gregg Henry who closely monitors Scullys revelation of his fears and the childhood cause of his claustrophobia. They go to a bar where Scully is offered a place to stay Sams friend has left town temporarily and needs a housesitter for his ultramodern home in the Hollywood Hills.Scully is shown the house that night. Sam is especially ecstatic about one feature a female neighbor, Gloria Revelle Deborah Shelton, who erotically dances at a specific time each night. Sam has even set up a telescope which Scully cant resist using voyeuristically to watch her. One night he sees Gloria being abused by a boyfriend. When she goes shopping the next day, Scully decides to follow her. Glorias behavior seems strange she makes calls to an unknown person promising to meet them. He also notices a disfigured Indian, a man he had noticed watching Gloria a few days prior. Scully follows her to a seaside motel where apparently Gloria has been stood up by the person she was there to meet. On the beach the Indian suddenly snatches her purse. Scully tries to pursue him but in a nearby tunnel his claustrophobia restrains him and he needs to be rescued by Gloria who walks him out of it. They begin to impulsively and passionately kiss before she retreats. That night Scully is again watching through the telescope when the Indian returns. The man is seen breaking into Glorias home. Scully races to save her but is attacked by Glorias vicious dog. Gloria is brutally murdered by the Indian with a huge handheld drill. ........

Source: Wikipedia