Oliver Stone Director, Writer, Producer Kevin Costner Jim Garrison Actor Sissy Spacek Liz Garrison Actor Joe Pesci David Ferrie Actor Tommy Lee Jones Clay Shaw aka Clay Bertrand Actor Gary Oldman Lee Harvey Oswald Actor Jay O. Sanders Lou Ivon Actor Michael Rooker Bill Broussard Actor Laurie Metcalf Susie Cox Actor Gary Grubbs Al Oser Actor John Candy Dean Andrews Actor Jack Lemmon Jack Martin Actor Walter Matthau Senator Long Actor Ed Asner Guy Bannister Actor Donald Sutherland X Actor Kevin Bacon Willie O'Keefe Actor Brian Doyle-Murray Jack Ruby Actor Sally Kirkland Rose Cheramie Actor Beata Pozniak Marina Oswald Actor Vincent D'Onofrio Bill Newman Actor Tony Plana Carlos Bringuier Actor Tomas Milian Leopoldo Actor Jim Garrison Earl Warren Actor, Writer Jim Marrs Writer Arnon Milchan Executive Producer A. Kitman Ho Producer Percy Faith Original Music John Williams Original Music Robert Richardson Cinematographer Joe Hutshing Film Editing Pietro Scalia Film Editing Risa Bramon Garcia Casting Billy Hopkins Casting Heidi Levitt Casting Victor Kempster Production Design Derek R. Hill Art Director Alan Tomkins Art Director Crispian Sallis Set Decoration Marlene Stewart Costume Design