Movie Cast (37)

• 

  Margaret Rutherford

  Grand Duchess Gloriana XIII

• 

  Ron Moody

  Prime Minister Rupert Mountjoy

• 

  Bernard Cribbins

  Vincent Mountjoy

• 

  David Kossoff

  Professor Kokintz

• 

  June Ritchie

  Cynthia

• 

  Terry-Thomas

  Maurice Spender

• 

  John Le Mesurier

  British Delegate

• 

  John Phillips

  Bracewell - U.S. Delegate

• 

  Eric Barker

  M.I.5 Man

• 

  Roddy McMillan

  Benter

• 

  Tom Aldredge

  Wendover

• 

  Michael Trubshawe

  British Aide

• 

  Peter Sallis

  Russian Delegate

• 

  Clive Dunn

  Bandleader

• 

  Hugh Lloyd

  Plumber

• 

  Graham Stark

  Standard Bearer

• 

  Mario Fabrizi

  Mario - the Valet

• 

  Jan Conrad

  Russian Aide

• 

  John Bluthal

  Von Neidell

• 

  Archie Duncan

  U.S.A.F. General

• 

  Guy Deghy

  Russian Scientist

• 

  Richard Marner

  Russian Air Force General

• 

  Allan Cuthbertson

  Member of Whitehall Conference

• 

  Robin Bailey

  Member of Whitehall Conference

• 

  Gerald Andersen

  Member of Whitehall Conference

• 

  Gordon Phillott

  Civil Sergeant

• 

  John Wood

  Countryman

• 

  George Chisholm

  Wine Waiter

• 

  Vincent Ball

  Pilot

• 

  Frank Duncan

  News Announcer

• 

  Ed Bishop

  American Astronaut

• 

  Bill Edwards

  American Astronaut

• 

  Laurence Herder

  Russian Astronaut

• 

  Harvey Hall

  Russian Astronaut

• 

  Frankie Howerd

  Self

• 

  Stringer Davis

  1st Councillor (uncredited)

• 

  Lucy Griffiths

  Lady-in-Waiting (uncredited)

Movie Crew (22)