Kevin Costner
Role: Kenneth O'Donnell
Bruce Greenwood
Role: John F. Kennedy
Steven Culp
Role: Robert F. Kennedy
Dylan Baker
Role: Robert McNamara
Michael Fairman
Role: Adlai Stevenson
Henry Strozier
Role: Dean Rusk
Frank Wood
Role: McGeorge Bundy
Kevin Conway
Role: Gen. Curtis LeMay
Tim Kelleher
Role: Ted Sorensen
Len Cariou
Role: Dean Acheson
Bill Smitrovich
Role: Gen. Maxwell Taylor
Shawn Driscoll
Role: U-2 Pilot
Drake Cook
Role: Mark O'Donnell
Stephanie Romanov
Role: Jacqueline Kennedy
Lucinda Jenney
Role: Helen O'Donnell
Caitlin Wachs
Role: Kathy O'Donnell
Jon Foster
Role: Kenny O'Donnell, Jr.
Matthew Dunn
Role: Kevin O'Donnell
Kevin O'Donnell
Role: NPIC Photo Interpreter
Janet Coleman
Role: Evelyn Lincoln
Dakin Matthews
Role: Arthur Lundahl
Liz Sinclair
Role: Kenny's Assistant #1
Colette O'Connell
Role: Kenny's Assistant #2
Karen Ludwig
Role: Operator Margaret
Audrey Rapoport
Role: White House Operator #1
Marliese Schneider
Role: White House Operator #2
Ed Lauter
Role: Gen. Marshall Carter
Walter Adrian
Role: Lyndon Johnson
James Karen
Role: George Ball
Dan Ziskie
Role: Gen. Walter 'Cam' Sweeney
Peter White
Role: John McCone
Kelly Connell
Role: Pierre Salinger
Olek Krupa
Role: Andrei Gromyko
Ilya Baskin
Role: Anotoly Dobrinyn
Timothy Jerome
Role: Journalist
Jack McGee
Role: Richard J. Daley
John Aylward
Role: Orville Dryfoos
Madison Mason
Role: Adm. George Anderson
Vivien Straus
Role: White House Aide
Christopher Lawford
Role: Cmdr. William B. Ecker
David O'Donnell
Role: Lt. Bruce Wilhemy
Gene Del Bianco
Role: Petty Officer
Benjamin Koldyke
Role: RF-8 Pilot
Daniel Vergara
Role: OAS Secretary General José A. Mora
Ruben Moreno
Role: Argentine Diplomat
Thomas Roberts
Role: Sonar Operator
Sean Bergin
Role: Chief Sonarman
Alan Francis Sullivan
Role: Executive Officer of USS Pierce
Robert Munstis
Role: Radio Room Operator #1
Michael Gaston
Role: Captain of USS Pierce
Joseph Repoff
Role: Radio Room Operator #2
J. Tucker Smith
Role: Captain of USS Kennedy
Chris Henry Coffey
Role: Officer of Destroyer
Oleg Vidov
Role: Valerian Zorin
Radu Gavor
Role: Romanian Delegate
Zitto Kazann
Role: Chilean Delegate
Alex Veadov
Role: Radio Room Operator #3
Jack Blessing
Role: John Scali
Tom Everett
Role: Walter Sheridan
Karl Makinen
Role: Young FBI Agent
Boris Lee Krutonog
Role: Alexander Fomin
Charles Esten
Role: Maj. Rudolf Anderson
Charles Barrett
Role: Air Force NCO
Darryl Smith
Role: Football Coach
Allan Graf
Role: Football Referee
Robert Miranda
Role: RFK's Driver
Todd Sible
Role: RFK's Staffer
Marya Kazakova
Role: Soviet Woman
Cliff Fleming
Role: Aerial Coordinator
Michael R. Bowman
Role: Aide to JFK (uncredited)
Greg Bronson
Role: Secret Service Agent (uncredited)
Walter Cronkite
Role: Self (archive footage) (uncredited)
Ryder Davis
Role: Boy Scout (uncredited)
Roger Ferreira
Role: Army Lieutenant General (uncredited)
Armen Garo
Role: Crewman on Freighter (uncredited)
Gilley Grey
Role: Air Force Pilot (uncredited)
Phil Hawn
Role: UN Administrator (uncredited)
Rick Kain
Role: Carpenter (uncredited)
John F. Kennedy
Role: Self (voice) (archive footage) (uncredited)
Steven Koller
Role: White House Staff (uncredited)
Pramod Kumar
Role: U Thant (uncredited)
Richard Rossi
Role: Reporter (uncredited)
Larry Strauss
Role: Treasury Secretary Douglas Dillon (uncredited)
Brad Yoder
Role: Sorensen's Assistant (uncredited)
