Kevin Costner

Jim Garrison

Tommy Lee Jones

Clay Shaw

Gary Oldman

Lee Harvey Oswald

Kevin Bacon

Willie O'Keefe

Michael Rooker

Bill Broussard

Jack Lemmon

Jack Martin

Laurie Metcalf

Susie Cox

Sissy Spacek

Liz Garrison

Joe Pesci

David Ferrie

John Candy

Dean Andrews

Pruitt Taylor Vince

Lee Bowers

Jay O. Sanders

Lou Ivon

Walter Matthau

Senator Long

Sally Kirkland

Rose Cheramie

Donald Sutherland

X

Ed Asner

Guy Bannister

Brian Doyle-Murray

Jack Ruby

Vincent D'Onofrio

Bill Newman

Lolita Davidovich

Beverly Oliver

Jim Garrison

Earl Warren

Wayne Knight

Numa Bertel

Gary Grubbs

Al Oser

Tony Plana

Carlos Bringuier

John William Galt

L. B. J. voice

John S. Davies

Hobo #2

Tomas Milian

Leopoldo

Raul Aranas

Angelo

Gail Cronauer

Janet Williams

Ellen McElduff

Jean Hill

Jo Anderson

Julia Ann Mercer

Marco Perella

Mercer Interrogator

Edwin Neal

Mercer Interrogator

Darryl Cox

FBI Agent #2 with Hill

J.J. Johnston

Mobster with Broussard

Wayne Tippit

FBI Agent - Frank

Dale Dye

General Y

Jerry Douglas

Board Room Man

Baxter Harris

White House Man

John Seitz

General Lemnitzer

Alex Rodine

White House Man

Bob Gunton

TV Newsman #3

John Finnegan

Judge Haggerty

Peter Maloney

Colonel Finck

Richard Rutowski

Fence Shooter

Bill Bolender

Prisoner Powell

Bob Orwig

Officer Poe

John Larroquette

Jerry Johnson

Ron Rifkin

Mr. Goldberg (Spiesel)

Frank Whaley

Oswald Imposter

Martin Sheen

Narrator (voice) (uncredited)

John F. Kennedy

Self (archive footage)

Fidel Castro

Self (archive footage)

Red Mitchell

Sgt. Harkness