"A mentally disturbed man stalks a woman who had once aborted the child he had fathered."
Carol White
as Cathy Palmer
Paul Burke
as Jack Byrnes
Mala Powers
as Meg Stone
Scott Hylands
as Kenneth Daly
James B. Sikking
as Joe Menchell
Walter Brooke
as Jerry Wolfe
Mathilda Calnan
as Ilsa (as Matilda Calnan)
Gene Lyons
as Dr. Blanker
Dennis Patrick
as Dr. Parkington
Barry Cahill
as FBI Agent Crosley
Andrea King
as Brenda Frazier (uncredited)
Edith Atwater
as Hospital Desk Nurse (uncredited)
Ron Masak
as Paul Fleming (uncredited)
Harry Holcombe
as Inspector Dixon (uncredited)
Leoda Richards
as Restaurant Patron
Larry Cohen
Story
Mark Robson
Director
Screenplay
Lorenzo Semple Jr.
Dorothy Spencer
Editor
Producer
Ernest Laszlo
Director of Photography
John Williams
Original Music Composer
Joseph Dimmitt
Costumer
