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