Perry Smith
Robert Blake
Richard 'Dick' Hickcock
Scott Wilson
Herbert Clutter
John McLiam
Bonnie Clutter
Ruth Storey
Nancy Clutter
Brenda Currin
Kenyon Clutter
Paul Hough
Good Samaritan
Vaughn Taylor
Young Reporter
Duke Hobbie
Prison Guard
Guy Way
Sheldon Allman
Sammy Thurman
Raymond Hatton
Alvin Dewey
John Forsythe
Sadie Truitt
Myrtle Clare
Ted Eccles
Al Christy
Don Sollars
Harriet Levitt
Rhonda Fultz
Mary Linda Rapelye
Jensen
Paul Stewart
Harold Nye
Gerald S. O'Loughlin
Mr. Hickock
Jeff Corey
Roy Church
John Gallaudet
Clarence Duntz
James Flavin
Tex Smith
Charles McGraw
Prosecutor
Will Geer
Director
Richard Brooks
Screenplay
Novel
Truman Capote
Director of Photography
Conrad L. Hall
Original Music Composer
Quincy Jones
Assistant Director
Tom Shaw
Property Master
Joe LaBella
Orchestrator
Jack Hayes
Leo Shuken
Public Relations
Al Horwits
Special Effects
Chuck Gaspar
Wardrobe Master
Jack Martell
Electrician
Harry Sundby
Assistant Editor
Earle Herdan
Script Supervisor
John Franco
Stunt Double
Jerry Brutsche
Stunts
Lee Faulkner
Art Direction
Robert F. Boyle
Set Decoration
Jack H. Ahern
Sound
William Randall
Dick Tyler Sr.
Editor
Peter Zinner
Makeup Artist
Gary Morris
Arthur Piantadosi
Sound Effects
John H. Newman
Robert Eaton