Pierre Étaix as Yoyo / The Millionaire

Claudine Auger as Isolina

Philippe Dionnet as Yoyo enfant

Luce Klein as L'écuyère

Martine de Breteuil as Madame de Briac

Philippe Castelli as Le domestique

Luc Delhumeau as Le douanier

Gabrielle Doulcet as La dame au collier

Pierre Moncorbier as Le pique-assiettes

Roger Trapp as Le représentant en farces et attrapes

Nono Zammit as Un artiste du cirque

Pinder as Elephant Wrangler

Les Antares as Aerialists

Fernand Guiot as Le paysan

Kach Maht as Juggler

Licques as Clairvoyant

Barbara Poludniak as Bear Wrangler

Eugène Poludniak as Bear Wrangler

Esmeralda Theron as Unicycle Artist

Lélé de Triana as Gypsy Dancer

Dario as Clown

Mimile as Clown

Pipo as Clown

Les French Clowns as Clowns