Tony Curtis
Albert DeSalvo
Henry Fonda
John S. Bottomly
George Kennedy
Det. Phil DiNatale
Mike Kellin
Julian Soshnick
Hurd Hatfield
Terence Huntley
Murray Hamilton
Det. Frank McAfee
Jeff Corey
John Asgeirsson
Sally Kellerman
Dianne Cluny
William Marshall
Atty. Gen. Edward W. Brooke
George Voskovec
Peter Hurkos
Leora Dana
Mary Bottomly
Jeanne Cooper
Cloe
Austin Willis
Dr. Nagy
Lara Lindsay
Bobbie Eden
George Furth
Lyonel Brumley
Richard X. Slattery
Det. Capt. Ed Willis
William Hickey
Eugene T. O'Rourke
Alex Dreier
News Commentator
James Brolin
Det. Sgt. Phil Lisi
George Tyne
Dr. Kramer
Dana Elcar
Luis Schubert
William Traylor
Arnie Carr
Carole Shelley
Dana Banks
Karen Ericson
Pat Bruner (as Karen Huston)
Enid Markey
Edna
Almira Sessions
Emma Hodak
Walter Klavun
Chief of Police
Tim Herbert
Cedric
Matt Bennett
Harold
George Fisher
Mr. Taylor
David Lewis
Judge Schroeder
Pamela McMyler
Grace
Owen Orr
Dick Matheson
Alex Rocco
Lt. Lurie
Dennis Cross
Steve
Harry Carter
Detective (uncredited)
Carolyn Conwell
Irmgard DeSalvo
Eve Collyer
Ellen Ridgeway
Gwyda Donhowe
Alice Oakville
John Cameron Swayze
T.V. Narrator
Shelley Burton
David Parker
Elizabeth Baur
Harriet Fordin
David Armstrong
Suspect
Dorothy Blackburn
Minnie Adams
Isabella Hoopes
Bertha Blum
Richard Krisher
Tom
Arthur Hanson
Commissioner
Penny Williams
Mae
Janis Young
Louise Parker
Nancie Phillips
Barbara Wise