출연진
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
피터 샐리스
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