Terry-Thomas
Cadogan de Vere Carlton-Browne
Peter Sellers
Prime Minister Amphibulos
Luciana Paluzzi
Princess Ilyena
Ian Bannen
Young King Loris
Thorley Walters
Colonel Bellingham
Raymond Huntley
Foreign Secretary Tufton-Slade
Miles Malleson
Resident Advisor Davidson
John Le Mesurier
Grand Duke Alexis
Marie Lohr
Lady Carlton-Browne
Kynaston Reeves
Sir Arthur Carlton-Browne
Ronald Adam
Sir John Farthing
John Van Eyssen
Hewitt
Nicholas Parsons
Rodgers
Irene Handl
Mrs. Carter
Harry Locke
Gaillardian commentator
Basil Dignam
Security Officer
Sam Kydd
Signaller
Robert Bruce
Major Miller
John Glyn-Jones
Newsreel Interviewer
Marianne Stone
Woman In Cinema
Margaret Lacey
Onlooker
Robert S. Young
Archivist
Kenneth Griffith
Sir John's Assistant (uncredited)
Mario Fabrizi
Deputy Minister (uncredited)
Katherine Keeton
Dancer
Bruno Barnabe
Maître d'
Max Brimmell
Waiter
Nicholas Bruce
King Loris' Equerry
Andre Charisse
Russian Minister
Alexis Chesnakov
First Russian Scientist
Anthony Chinn
Dignitary at Royal Pageant
Maurice Colbourne
First Official
James Dyrenforth
Admiral
Rex Garner
Hotel Porter Removing Flowers
George Holdcroft
Security Man at Ministry
Julie Hopkins
Dancer
Dan Lester
US Delegate at UN Conference
Fred Machon
Delegate at UN Conference
Marne Maitland
Archipolagos
Alf Mangan
Delegate
Mark Mileham
Child
Patrick Mynhardt
British Soldier
Michael Partridge
Commandos Captain
Anthony Pendrell
Official
Frank Phillips
BBC Newsreader
Geremy Phillips
Italian Guard
Bill Rayment
Second Russian Scientist
Tony Spears
Delegate at UN Conference
Guy Standeven
Civil Servant
Austin Trevor
Secretary General
Jim Tyson
US Delegate at UN Conference
James Ure
Delegate at UN Conference
Ian Wilson
Onlooker
Michael Ward
Hotel Manager
