When a Stranger Calls

When a Stranger Calls is a 1979 American psychological thriller film written and directed by Fred Walton, co-written by Steve Feke, and starring Charles Durning, Carol Kane, Colleen Dewhurst and Tony Beckley. Its plot follows Jill Johnson, a young woman being terrorized by a psychopathic killer while babysitting, the killer's stalking of another woman, his returning to torment Jill years later, and a detective's trying to find him. Rachel Roberts, Ron O'Neal, Carmen Argenziano, and Rutanya Alda appear in supporting roles. The film derives its story from the folk legend of "the babysitter and the man upstairs".

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.