Director/a
Joe Berlinger
DIRECTOR/A
Allison Berg
Kahane Cooperman
Reparto (por orden de créditos)
Beth Tedrow
Self - Friend of the Clutter Family
Larry Welch
Self - Director, Kansas Bureau of Investigation 1994-2006
Kevin Bascue
Self - Sheriff of Finney County
Gwyneth Frack
Self - Niece of Herb & Bonnie Clutter
Paul Dewey
Self - Son of Al Dewey
Luke Daigle
Dick Hickock
Charles Shields
Harper Lee Biographer
Charlie Troutner
Self - President, Edgerton Historical Society
Don Cullivan
Self - Friend of Perry Smith
Linda LeBert-Corbello
Self - Biographer of David Hickock, Dick's Brother
Connie Penick
Self - Friend of Nancy Clutter
Gerald Clarke
Self - Truman Capote Biographer
Diana Edwards
Larry Thomas
Self - KBI Assistant Director 1994-2010
Bob Rupp
Self - Boyfriend of Nancy Clutter
Corbin Crable
Self - Journalist and Professor Kansas City
Steve Quakenbush
Self - Executive Director Finney County Historical Society
Mitchell Jones
Self - Defense Psychiatrist Trial of Smith & Hickock
Jewell James
Self - Family Friend of Perry Smith
Jerry Collins
Self - Former Prison Guard
Carolyn Hammon
Self - Schoolmate of Dick Hickock
Anne Jones
Bob Jones
Mike Russell
Self - Journalist, KAKE News
Lorraine Cullivan
Self - Wife of Don Cullivan
Jon Craig
Self - Son of Former Sherriff of Finney County
Scott Wilson
Dick
Quincy Jones
Self - Composer 'In Cold Blood'
Lillian Calihan
Self - Finney County Court Reporter
Brenda Currin
Self - Nancy Clutter In Cold Blood
Gene Kirby
Self - Manager Mount Muncie Cemetery
Jim Conroy
ACTOR
Andrew Dolan
Ralph Byers