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