Olivia Hussey character Jess Bradford
Keir Dullea character Peter Smythe
Margot Kidder character Barbara 'Barb' Coard
John Saxon character Lieutenant Kenneth Fuller
Marian Waldman character Mrs. 'Mac' MacHenry
Andrea Martin character Phyllis 'Phyl' Carlson
James Edmond character Mr. Harrison
Doug McGrath character Sargeant Nash
Art Hindle character Chris Hayden
Lynne Griffin character Clare Harrison
Leslie Carlson character Bill Graham
Martha Gibson character Mrs. Quaife
John Rutter character Laughing Detective
Robert Warner character Doctor
Sydney Brown character Farmer
Jack Van Evera character Search Party
Les Rubie character Search Party
Marcia Diamond character Woman
Pam Barney character Jean
Robert Hawkins character Wes
David Clement character Cogan
Julian Reed character Jennings
Dave Mann character Cop
John Stoneham Sr. character Cop
Danny Gain character Cop
Tom Foreman character Cop
Nick Mancuso character The Prowler / Phone Voice
Michael Rapport character Patrick Cornell
