Reparto principal
Kevin Costner
Jim Garrison
Gary Oldman
Lee Harvey Oswald
Jack Lemmon
Jack Martin
Walter Matthau
Senator Long
Sally Kirkland
Rose Cheramie
Anthony Ramirez
Epileptic
Gary Taggart
Doctor (credited on Director's Cut)
Ray LePere
Zapruder
Steve Reed
John F. Kennedy - Double
Jodie Farber
Jackie Kennedy - Double