Актьори

• Darryl Cox — FBI Agent #2 with Hill
• John Larroquette — Jerry Johnson (credited on Director's Cut)
• Ed Asner — Guy Bannister
• Kevin Costner — Jim Garrison
• Tommy Lee Jones — Clay Shaw/Clay Bertrand
• Michael Rooker — Bill Broussard
• Laurie Metcalf — Susie Cox
• Sissy Spacek — Liz Garrison
• Joe Pesci — David Ferrie
• Pruitt Taylor Vince — Lee Bowers
• Jay O. Sanders — Lou Ivon
• Sally Kirkland — Rose Cheramie
• Donald Sutherland — X
• Ray LePere — Abraham Zapruder
• Tom Howard — Lyndon B. Johnson
• Lolita Davidovich — Beverly Oliver
• Wayne Knight — Numa Bertel
• Tony Plana — Carlos Bringuier
• J.J. Johnston — Mobster with Broussard
• Baxter Harris — White House Man
• Peter Maloney — Colonel Finck
• Price Carson — Tippet
• Frank Whaley — Oswald Imposter (credited on Director's Cut)
• John F. Kennedy — Himself (archive footage)
• Gary Oldman — Lee Harvey Oswald
• Kevin Bacon — Willie O'Keefe
• Jack Lemmon — Jack Martin
• John Candy — Dean Andrews
• Walter Matthau — Senator Long
• Brian Doyle-Murray — Jack Ruby
• Vincent D'Onofrio — Bill Newman
• Gary Grubbs — Al Oser
• Beata Pozniak — Marina Oswald
• Sean Stone — Jasper Garrison
• John S. Davies — Hobo #2
• Raul Aranas — Angelo
• Gail Cronauer — Janet Williams
• Gary Carter — Bill Williams
• Ellen McElduff — Jean Hill
• Jo Anderson — Julia Ann Mercer
• Marco Perella — Mercer Interrogator
• T.J. Kennedy — Hill Interrogator
• William Larsen — Will Fritz
• Wayne Tippit — FBI Agent - Frank
• Dale Dye — General Y
• Jerry Douglas — Board Room Man
• Ryan MacDonald — Board Room Man
• Duane Grey — Board Room Man
• George R. Robertson — White House Man
• John Seitz — General Lemnitzer
• Alex Rodine — White House Man
• Bob Gunton — TV Newsman #3
• Bill Bolender — Prisoner Powell
• Gil Glasgow — Tippet Shooter
• George Kelly — Jerry Johnson's Sidekick (credited on Director's Cut)
• Ron Rifkin — Mr. Goldberg / Spiesel (credited on Director's Cut)