Stuart Whitman

Orvil Newton

Sarah Miles

Patricia Rawnsley

James Fox

Richard Mays

Alberto Sordi

Count Emilio Ponticelli

Robert Morley

Lord Rawnsley

Gert Fröbe

Colonel Manfred von Holstein

Jean-Pierre Cassel

Pierre Dubois

Eric Sykes

Courtney

Red Skelton

The Neanderthal Man

Terry-Thomas

Sir Percy Ware-Armitage

Flora Robson

Mother Superior

Karl Michael Vogler

Captain Rumpelstoss

Sam Wanamaker

George Gruber

Maurice Denham

Trawler Skipper

Gordon Jackson

MacDougal

John Le Mesurier

French Painter

James Robertson Justice

Narrator

Ferdy Mayne

French Official

Benny Hill

Fire Chief Perkins

Millicent Martin

Airline Hostess

Tony Hancock

Harry Popperwell

Yūjirō Ishihara

Yamamoto

Vernon Dobtcheff

Member of the French Team

Zena Marshall

Countess Sophia Ponticelli

Irina Demick

Brigitte / Ingrid / Marlene / Françoise / Yvette / Betty

Cicely Courtneidge

Colonel's Wife

Eric Barker

French Postman

Fred Emney

Colonel on Road

Davy Kaye

Jean Pascal

Jeremy Lloyd

Lieutenant Parsons

Eric Pohlmann

Italian Mayor

Marjorie Rhodes

Waitress

Norman Rossington

Assistant Fire Chief

William Rushton

Tremayne Gascoyne

Graham Stark

Fireman

Jimmy Thompson

Photographer

Michael Trubshawe

Niven

Maurice Dunster

French Policeman (uncredited)