Louis de Funès

as Ange Galopin, creditor who wants to recover the money

Francis Blanche

as William Foster Valmorin, American

Pierre Dudan

as Pierre Valmorin, Swiss composer

Jean Richard

as Jérôme Valmorin, explorer

Robert Manuel

as Luigi Valmorin aka 'Valmorino'

Mireille Perrey

as Maman

Mario David

as Masseur

Mathilde Casadesus

as Mathilde Rouet, née Valmorin