Toby Jones

Character: Truman Capote

Sandra Bullock

Character: Nelle Harper Lee

Daniel Craig

Character: Perry Smith

Peter Bogdanovich

Character: Bennett Cerf

Jeff Daniels

Character: Alvin Dewey

Hope Davis

Character: Slim Keith

Gwyneth Paltrow

Character: Kitty Dean

Isabella Rossellini

Character: Marella Agnelli

Juliet Stevenson

Character: Diana Vreeland

Sigourney Weaver

Character: Babe Paley

John Benjamin Hickey

Character: Jack Dunphy

Lee Pace

Character: Dick Hickock

Rey Arteaga

Character: El Morocco Band

Justin Sherburn

Character: El Morocco Band

Andrew Halbreich

Character: El Morocco Band

Michael Panes

Character: Gore Vidal

Frank G. Curcio

Character: William Shawn

Terri Merritt Bennett

Character: D.A.'s Secretary

Mitch Baker

Character: Reporter 1

Grant James

Character: Reporter 2

Sheila Bailey

Character: Waitress

Richard Dillard

Character: Man on Street

Norman Bennett

Character: Desk Clerk

Marco Perella

Character: Clifford Hope

Bethlyn Gerard

Character: Marie Dewey

Libby Villari

Character: Delores Hope

Joey Basham

Character: Paul Dewey

Marian Aleta Jones

Character: Ellen Bechner

Terri Zee

Character: Nancy Hickey

Richard Andrew Jones

Character: Andy Erhart

Brian Shoop

Character: Everett Ogburn

Brady Coleman

Character: Charles McAtee

Paul Wright

Character: Prisoner 1

Turk Pipkin

Character: Prisoner 2

Ray Gestaut

Character: Lee Andrews

Joe Cordi

Character: Piano Player

Lee Ritchey

Character: Bill Paley

Brett Brock

Character: Tex Smith

Leticia Trejo

Character: Flo Smith

Brady Hender

Character: Young Perry

Zachary Burnett

Character: Young Truman

Brent A. McCoy

Character: Herb Clutter

Gail Cronauer

Character: Bonnie Clutter

Austin Chittim

Character: Kenyon Clutter

Morgan Farris

Character: Nancy Clutter

Dennis Letts

Character: Judge Tate

Gabriel Folse

Character: Foreman

Charles Mooneyhan

Character: Prison Guard 1

J.D. Young

Character: Prison Guard 2

Steve Flanagin

Character: Chaplain

Michael D. Conway

Character: Doctor