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