Kevin Costner

Kenneth O'Donnell

Acting

Bruce Greenwood

John F. Kennedy

Acting

Steven Culp

Robert F. Kennedy

Acting

Dylan Baker

Robert McNamara

Acting

Michael Fairman

Adlai Stevenson

Acting

Henry Strozier

Dean Rusk

Acting

Frank Wood

McGeorge Bundy

Acting

Kevin Conway

Gen. Curtis LeMay

Acting

Tim Kelleher

Ted Sorensen

Acting

Len Cariou

Dean Acheson

Acting

Bill Smitrovich

Gen. Maxwell Taylor

Acting

Shawn Driscoll

U-2 Pilot

Acting

Drake Cook

Mark O'Donnell

Acting

Stephanie Romanov

Jacqueline Kennedy

Acting

Lucinda Jenney

Helen O'Donnell

Acting

Caitlin Wachs

Kathy O'Donnell

Acting

Jon Foster

Kenny O'Donnell, Jr.

Acting

Matthew Dunn

Kevin O'Donnell

Acting

Kevin O'Donnell

NPIC Photo Interpreter

Acting

Janet Coleman

Evelyn Lincoln

Acting

Bruce Thomas

Floyd

Acting

Dakin Matthews

Arthur Lundahl

Acting

Liz Sinclair

Kenny's Assistant #1

Writing

Colette O'Connell

Kenny's Assistant #2

Acting

Karen Ludwig

Operator Margaret

Acting

Audrey Rapoport

White House Operator #1

Acting

Marliese Schneider

White House Operator #2

Acting

Ed Lauter

Gen. Marshall Carter

Acting

Walter Adrian

Lyndon Johnson

Acting

James Karen

George Ball

Acting

Dan Ziskie

Gen. Walter 'Cam' Sweeney

Acting

Peter White

John McCone

Acting

Kelly Connell

Pierre Salinger

Acting

Olek Krupa

Andrei Gromyko

Acting

Elya Baskin

Anotoly Dobrinyn

Acting

Timothy Jerome

Journalist

Acting

Jack McGee

Richard J. Daley

Acting

Lamar Smith

Aide

Acting

John Aylward

Orville Dryfoos

Acting

Madison Mason

Adm. George Anderson

Acting

Vivien Straus

White House Aide

Acting

Christopher Lawford

Cmdr. William B. Ecker

Acting

David O'Donnell

Lt. Bruce Wilhemy

Acting

Gene Del Bianco

Petty Officer

Acting

Benjamin Koldyke

RF-8 Pilot

Acting

Daniel Vergara

OAS Secretary General José A. Mora

Acting

Ruben Moreno

Argentine Diplomat

Acting

Thomas Roberts

Sonar Operator

Acting

Sean Bergin

Chief Sonarman

Acting

Alan Francis Sullivan

Executive Officer of USS Pierce

Acting

Robert Munstis

Radio Room Operator #1

Acting

Michael Gaston

Captain of USS Pierce

Acting

Joseph Repoff

Radio Room Operator #2

Acting

J. Tucker Smith

Captain of USS Kennedy

Acting

Chris Henry Coffey

Officer of Destroyer

Acting

Oleg Vidov

Valerian Zorin

Acting

Radu Gavor

Romanian Delegate

Acting

Zitto Kazann

Chilean Delegate

Acting

Alex Veadov

Radio Room Operator #3

Acting

Jack Blessing

John Scali

Acting

Tom Everett

Walter Sheridan

Acting

Karl Makinen

Young FBI Agent

Acting

Boris Lee Krutonog

Alexander Fomin

Acting

Charles Esten

Maj. Rudolf Anderson

Acting

Charles Barrett

Air Force NCO

Acting

Darryl Smith

Football Coach

Acting

Allan Graf

Football Referee

Acting

Robert Miranda

RFK's Driver

Acting

Todd Sible

RFK's Staffer

Acting

Marya Kazakova

Soviet Woman

Acting

Cliff Fleming

Aerial Coordinator

Crew

Craig Hosking

Pilot

Crew

Michael R. Bowman

Aide to JFK (uncredited)

Acting

Greg Bronson

Secret Service Agent (uncredited)

Acting

Walter Cronkite

Self (archive footage) (uncredited)

Acting

Ryder Davis

Boy Scout (uncredited)

Acting

Roger Ferreira

Army Lieutenant General (uncredited)

Acting

Armen Garo

Crewman on Freighter (uncredited)

Acting

Gilley Grey

Air Force Pilot (uncredited)

Acting

Phil Hawn

UN Administrator (uncredited)

Acting

Ted Hollis

OAS Delegate (uncredited)

Acting

Rick Kain

Carpenter (uncredited)

Acting

John F. Kennedy

Self (voice) (archive footage) (uncredited)

Acting

Steven Koller

White House Staff (uncredited)

Acting

Pramod Kumar

U Thant (uncredited)

Acting

Richard Rossi

Reporter (uncredited)

Writing

Larry Strauss

Treasury Secretary Douglas Dillon (uncredited)

Acting

Brad Yoder

Sorensen's Assistant (uncredited)

Acting