Kenneth O'Donnell

John F. Kennedy

Robert F. Kennedy

Robert McNamara

Adlai Stevenson

Dean Rusk

McGeorge Bundy

Gen. Curtis LeMay

Ted Sorensen

Dean Acheson

Gen. Maxwell Taylor

U-2 Pilot

Mark O'Donnell

Jacqueline Kennedy

Helen O'Donnell

Kathy O'Donnell

Kenny O'Donnell, Jr.

Kevin O'Donnell

NPIC Photo Interpreter

Evelyn Lincoln

Floyd

Arthur Lundahl

Kenny's Assistant #1

Kenny's Assistant #2

Operator Margaret

White House Operator #1

White House Operator #2

Gen. Marshall Carter

Lyndon Johnson

George Ball

Gen. Walter 'Cam' Sweeney

John McCone

Pierre Salinger

Andrei Gromyko

Anotoly Dobrinyn

Journalist

Richard J. Daley

Aide

Orville Dryfoos

Adm. George Anderson

White House Aide

Cmdr. William B. Ecker

Lt. Bruce Wilhemy

Petty Officer

RF-8 Pilot

OAS Secretary General José A. Mora

Argentine Diplomat

Sonar Operator

Chief Sonarman

Executive Officer of USS Pierce

Radio Room Operator #1

Captain of USS Pierce

Radio Room Operator #2

Captain of USS Kennedy

Officer of Destroyer

Valerian Zorin

Romanian Delegate

Chilean Delegate

Radio Room Operator #3

John Scali

Walter Sheridan

Young FBI Agent

Alexander Fomin

Maj. Rudolf Anderson

Air Force NCO

Football Coach

Football Referee

RFK's Driver

RFK's Staffer

Soviet Woman

Aerial Coordinator

Pilot

Aide to JFK (uncredited)

Secret Service Agent (uncredited)

Self (archive footage) (uncredited)

Boy Scout (uncredited)

Army Lieutenant General (uncredited)

Crewman on Freighter (uncredited)

Air Force Pilot (uncredited)

UN Administrator (uncredited)

Carpenter (uncredited)

Self (voice) (archive footage) (uncredited)

White House Staff (uncredited)

U Thant (uncredited)

Reporter (uncredited)

Treasury Secretary Douglas Dillon (uncredited)

Sorensen's Assistant (uncredited)