Diretor/a
Anthony Page
DIRETOR/A
Elenco (na ordem dos créditos)
William Devane
John F. Kennedy - US President
Ralph Bellamy
Adlai Stevenson - US Ambassador to UN
Howard Da Silva
Nikita Khrushchev - Soviet Premier
James Hong
U Thant - U.N. Secretary-General
Martin Sheen
Atty. Gen. Robert F. Kennedy
James T. Callahan
David Powers - Special Assistant to the President
Peter Canon
Admiral's Aide
Keene Curtis
John McCone - Director CIA
Charles Cyphers
Press Photographer
Clifford David
Theodore Sorensen - Special Counsel
Francis De Sales
Senator
John Dehner
Dean Acheson - Former Secretary of State
Peter Donat
David Ormsby-Gore - British Ambassador to U.S.
Andrew Duggan
Gen. Maxwell Taylor - Army Chief of Staff
Richard Eastham
Gen. David M. Shoup - USMC Commandant
Dana Elcar
Robert McNamara - Secretary of Defense
Eugene Elman
Russian Presidium Member
Ron Feinberg
Gen. Charles De Gaulle
Michael Fox
Soviet Marshal
Arthur Franz
Congressman Charles A. Halleck
Larry Gates
Dean Rusk - Secretary of State
Jerome Guardino
Reporter
Ted Hartley
American General
Bern Hoffman
Richard Karlan
Chief of the Presidium
Stacy Keach Sr.
W.E. Knox - President, Westinghouse International
Wright King
Sen. Richard Russell
Will Kuluva
Valerian Zorin
Paul Lambert
John Scali - ABC Correspondent
Doreen Lang
Mrs. Evelyn Lincoln - President Kennedy's Secretary
Michael Lerner
Pierre Salinger - White House Press Secretary
Robert P. Lieb
Gen. Curtis LeMay, - Air Force Chief of Staff
John McMurtry
Yefgani Yeftashanko
Byron Morrow
Sen. J. William Fulbright
Stewart Moss
Kenneth O'Donnell - Special Assistant to the President
Stuart Nisbet
Buddy Ochoa
Television Assistant
James Olson
McGeorge Bundy - Special Assistant for National Security Affairs
Dennis Patrick
Llewellyn Thompson - Former U.S. Ambassador to the Soviet Union
Albert Paulsen
Ambassador Anatoly Dobrynin
Nehemiah Persoff
Andrei Gromyko - Soviet Foreign Minister
William Prince
C. Douglas Dillon - Secretary of the Treasury
John Randolph
George Ball - Undersecretary of State
Toby Russ
Waiter
Kenneth Tobey
Adm. George W. Anderson Jr. - Chief of Naval Operations
Serge Tschernisch
Soviet Stenographer
Jay Varela
Cuban Delegate
George Wyner
Civillian Aide
Harris Yulin
Alexander Fomin - KGB Agent
Thayer David
Narrator(uncredited)