 Woody HarrelsonLyndon B. Johnson | Lyndon B. Johnson |
 Michael Stahl-DavidRobert F. Kennedy | Robert F. Kennedy |
 Richard JenkinsSen. Richard Russell | Sen. Richard Russell |
 Jennifer Jason LeighLady Bird Johnson | Lady Bird Johnson |
 Jeffrey DonovanJohn F. Kennedy | John F. Kennedy |
 Bill PullmanRalph Yarborough | Ralph Yarborough |
 Brian StepanekRufus Youngblood | Rufus Youngblood |
 Tim RansomLarry O'Brien | Larry O'Brien |
 C. Thomas HowellWalter Jenkins | Walter Jenkins |
 Doug McKeonHubert H. Humphrey | Hubert H. Humphrey |
 Rich SommerPierre Salinger | Pierre Salinger |
 Gary GrubbsEverett Dirksen | Everett Dirksen |
 John BurkeJohn Connally | John Connally |
 Kim AllenJacqueline Kennedy | Jacqueline Kennedy |
 Brent BaileyTed Sorensen | Ted Sorensen |
 Joe ChrestMcGeorge Bundy | McGeorge Bundy |
 Judd LormandRobert McNamara | Robert McNamara |
 Dan Hewitt OwensAbe Fortas | Abe Fortas |
 John Ellison ConleeGeorge Reedy | George Reedy |
 Michael MosleyKenny O’Donnell | Kenny O’Donnell |
 Darrel GuilbeauJack Valenti | Jack Valenti |
| OOliver EdwinBill Moyers | Bill Moyers |
| AAaron MitchellSenator / Police Officer (uncredited) | Senator / Police Officer (uncredited) |
