Bourvil

as Monsieur Dupont

Lando Buzzanca

as Marcello Agost

Walter Chiari

as Angelo Pincelli

Peter Cook

as Maj. Digby Dawlish

Tony Curtis

as Chester Schofield

Mireille Darc

as Marie-Claude

Marie Dubois

as Pascale

Gert Fröbe

as Willi Schickel & Horst Muller

Susan Hampshire

as Betty

Jack Hawkins

as Count Levinovitch

Nicoletta Machiavelli

as Dominique

Dudley Moore

as Lt. Kit Barrington

Peer Schmidt

as Otto

Eric Sykes

as Perkins

Terry-Thomas

as Sir Cuthbert Ware-Armitage

Hattie Jacques

as Lady Journalist