Philip Seymour Hoffman
Truman Capote
Catherine Keener
Harper Lee
Clifton Collins Jr.
Perry Smith
Bruce Greenwood
Jack Dunphy
Mark Pellegrino
Dick Hickock
Marshall Bell
Warden Marshall Krutch
Allie Mickelson
Laura Kinney
Craig Archibald
Christopher
David Wilson Barnes
Grayson
Andrew Farago
Car Rental Agent
Kelci Stephenson
Nancy Clutter
C. Ernst Harth
Lowell Lee Andrews
Kjartan Hewitt
Danny Burke
Nazariy Demkowicz
Paul Dewey
Ken Krotowich
Courthouse Guard
Rob McLaughlin
Harold Nye (as Robert McLaughlin)
Harry Nelken
Sheriff Walter Sanderson
Christopher Read
Journalist
Jonathan Barrett
Journalist
John Warkentin
Warren Hotel Desk Clerk
Avery Tiplady
Alvin Dewey Jr.
Araby Lockhart
Dorothy Sanderson
John Maclaren
Judge Roland Tate
Adam Kimmel
Richard Avedon
Jeremy Dangerfield
Jury Foreman
Robert Huculak
NY Reporter
James Durham
Young Prison Guard
Norman Armour
Literary Enthusiast
Manfred Maretzki
Herb Clutter
Miriam Smith
Bonnie Clutter
Philip Lockwood
Kenyon Clutter
Marina Stephenson Kerr
Operator (voice)
Tiffany Lyndall-Knight
Gloria Guiness (uncredited)
Michelle Harrison
Babe Paley (uncredited)
Hedwig Herzog
Sophie Clutter (uncredited)
