During their Christmas break, a group of sorority girls are stalked by a stranger.
Olivia Hussey
Jess
Keir Dullea
Peter
Margot Kidder
Barb
John Saxon
Lt. Fuller
Marian Waldman
Mrs. Mac
Andrea Martin
Phyl
James Edmond
Mr. Harrison
Doug McGrath
Sargeant Nash
Art Hindle
Chris
Lynne Griffin
Clare
Michael Rapport
Patrick
Leslie Carlson
Graham
Martha Gibson
Mrs. Quaife
John Rutter
Laughing Detective
Robert Warner
Doctor
Sydney Brown
Farmer
Jack Van Evera
Search Party
Les Rubie
Marcia Diamond
Woman
Pam Barney
Jean
Robert Hawkins
Wes
David Clement
Cogan
Dave Mann
Cop
John Stoneham Sr.
Danny Gain
Tom Foreman
Bob Clark
Prowler Shadow / Phone Voice (uncredited)
Nick Mancuso
The Prowler / Phone Voice (uncredited)
Ann Sweeny
Phone Voice (voice) (uncredited)