Black Christmas is a 1974 Canadian psychological slasher film produced and directed by Bob Clark and written by A. Roy Moore. It stars Olivia Hussey, Keir Dullea, Margot Kidder, Andrea Martin, Marian Waldman, and John Saxon. The story concerns a group of sorority sisters who receive threatening phone calls and are eventually stalked and murdered by a deranged killer during the Christmas season. (Wikipedia)
https://cinematicdiversions.com/black-christmas-1974-review/
