James MacArthur as Hal Ditmar

Kim Hunter as Helen Ditmar

James Daly as Tom Ditmar

James Gregory as Sergeant Shipley

Whit Bissell as Grubbs

Jeffrey Silver as Jerry Doyle

Jack Mullaney as Confused Boy

Tom Pittman as Lynn Spears

Charles Davis as Detective

Leon Alton as Peter Kalish (uncredited)

Roxanne Arlen as Carhop (uncredited)

Mitzi Blake as Usherette (uncredited)

Noble 'Kid' Chissell as Detective (uncredited)

Jean Corbett as Woman in Movie Theatre (uncredited)

Bill Couch as Boy (uncredited)

Oliver Cross as Man at Police Station (uncredited)

Edith Evanson as Lottie (uncredited)

Byron Foulger as Mr. Doyle (uncredited)

Betty Hanna as Mrs. Doyle (uncredited)

Whitey Haupt as Boy (uncredited)

Sid Kane as Man (uncredited)

Terry Kelman as Donald Morse (uncredited)

Caryl Lincoln as Theater Patron (uncredited)

Anthony Mazzola as Boy (uncredited)

Nancy Moore as Milk Counter Girl (uncredited)

Norman Ollestad as Boy (uncredited)

Jimmy Pickford as Boy (uncredited)

Murray Pollack as Theater Patron (uncredited)

Paul Power as Theater Patron (uncredited)

Guy Prescott as Man (uncredited)

Howard Price as Doorman at Movie Theatre (uncredited)

Eddie Ryder as Man in Movie Theatre (uncredited)

Marian Seldes as Mrs. Morse (uncredited)

Gary Stewart as Boy (uncredited)

Barry Truex as Lynn Spears' Friend (uncredited)

Paul Wallace as Boy (uncredited)