Black Christmas (Also Known As: Jessy - Die Treppe in den Tod ) is a Horror Mystery Thriller film directed by Bob Clark and written by Roy Moore (screenplay). It released on 11 October 1974 (Canada). The film stars Olivia Hussey, Keir Dullea, Margot Kidder. A sorority house is terrorized by a stranger who makes frightening phone calls and then murders the sorority sisters during Christmas break.