Margaret Rutherford
Grand Duchess Gloriana XIII
Ron Moody
Prime Minister Rupert Mountjoy
Bernard Cribbins
Vincent Mountjoy
David Kossoff
Professor Kokintz
Terry-Thomas
Maurice Spender
June Ritchie
Cynthia
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
