Trailer
Cast
Peter Sallis
Russian Delegate
Graham Stark
Standard Bearer
Kevin Scott
American Journalist (Uncredited)
Larry Cross
(Uncredited)
David Kossoff
Professor Kokintz
Guy Deghy
Russian Scientist
John Wood
Countryman
Stuart Saunders
Sergeant (Uncredited)
Allan Cuthbertson
Member of Whitehall Conference
Vincent Ball
Pilot
Robin Bailey
Member of Whitehall Conference
Ed Bishop
American Astronaut (as Edward Bishop)
Bill Edwards
American Astronaut
Laurence Herder
Russian Astronaut
Stringer Davis
1st Councillor (Uncredited)
Terry-Thomas
Maurice Spender
John Phillips
Bracewell - U.S. Delegate
Hugh Lloyd
Plumber
Archie Duncan
U.S.A.F. General
Margaret Rutherford
Grand Duchess Gloriana XIII
Eric Barker
M.I.5. Man
Tom Aldredge
Wendover
Michael Trubshawe
British Aide
Clive Dunn
Bandleader
Richard Marner
Russian Air Force General
Bruce Lacey
Bandleader (Uncredited)
Ron Moody
Prime Minister Rupert Mountjoy
Roddy McMillan
Benter
Charles Dyer
Bit Part (Uncredited)
Lucy Griffiths
Lady-in-Waiting (Uncredited)
Bernard Cribbins
Vincent Mountjoy
John Le Mesurier
British Delegate
Mario Fabrizi
Mario - the Valet
John Bluthal
Von Neidel (as John Bluthall)
Harvey Hall
Russian Astronaut