James Wainwright

as Lt. Frank Dain

Vera Miles

as Lilah Beth Cummings

Andrew Duggan

as Harrison Delando

Edmond O'Brien

as Det. Ed Burtelson

Marsha Hunt

as Dr. Gehlen

Irene Dailey

as Mrs. Cummings

Richard Kiley

as DA Dan Bellington

Gene Andrusco

as Timmy Cummings

Milton Selzer

as Psychologist

William A. Graham

Director