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