7.0
Truman Capote
Harper Lee
Perry Smith
Jack Dunphy
William Shawn
Dick Hickock
Warden Marshall Krutch
Marie Dewey
Linda Murchak
Alvin Dewey
Laura Kinney
Christopher
Barbara
Rose
Grayson
Williams
Porter
Car Rental Agent
Nancy Clutter
Lowell Lee Andrews
Danny Burke
Paul Dewey
Courthouse Guard
Roy Church
Harold Nye (as Robert McLaughlin)
Sheriff Walter Sanderson
Journalist
Old Man
Warren Hotel Desk Clerk
Alvin Dewey Jr.
Pete Holt
Dorothy Sanderson
Judge Roland Tate
Franklin Weeks
Richard Avedon
Jury Foreman
Ben Baron
NY Reporter
Young Prison Guard
Cruiser
Row Guard
Literary Enthusiast
Herb Clutter
Bonnie Clutter
Kenyon Clutter
Operator (voice)
Chaplain
Gloria Guiness (uncredited)
Babe Paley (uncredited)
Sophie Clutter (uncredited)
