Reparto (por orden de créditos)
Robin Day
Self - Presenter
Robert McKenzie
Erskine Barton Childers
Pavel Eisler
Self
Andrew Shonfield
John Glenn
Theodore H. White
Franz Josef Strauß
Gladwyn Jebb
Iain Macleod
Michael Stewart
Horace King
Ronald Reagan
Arthur C. Clarke
Gamal Abdel Nasser
Nigel Lawson
Roy Jenkins
Daniel Patrick Moynihan
U Thant
John Morgan
Alastair Burnet
John Diebold
John Maynard Smith
Edward Shils
Raymond Aron
Paul Johnson
P.V. Sukhatme
Richard Löwenthal
Geoffrey Bing