Slumber Party Massacre III (1990)
Genres: Slasher
Cast: Keely Christian, Brittain Frye, Maria Claire
Slumber Party Massacre III is a 1990 American slasher film directed by Sally Mattison and written by Catherine Cyran. It is the third and final installment in the original Slumber Party Massacre trilogy, and stars Keely Christian, Brittain Frye, M.K. Harris, David Greenlee, Hope Marie Carlton and Maria Ford. The film follows a group of teenage girls in California, whose slumber party is crashed by a masked killer.