Body Double (1984) | Brian De Palma

A struggling actor (Craig Wasson) finds a job housesitting for a rich friend of another actor (Gregg Henry). While there he spies on a neighbor (Melanie Griffith) who has a naughty habit of doing a striptease every night. He becomes infatuated with the woman and decides he wants to meet her, taking to following her around wherever she goes. He begins to suspect she is in trouble when a suspicious Native American follows her around as well. He suspects she will be murdered.