Aldo Fabrizi as Andrea De Angelis

Lucia Bosè as Mimi de Angelis

Jeannette Batti as Claudia

Ave Ninchi as Elvira de Angelis

Janine Marsay as Praline

Galeazzo Benti as Gianni Forlivesi

Henri Génès as Paul Gremier

Franco Interlenghi as Franco Martini

Roland Lesaffre as Carlo

Marcello Mastroianni as Marcello Venturi

Paolo Panelli as Nicolino Percuoco

Giuseppe Porelli as Raffaele D'Amore

Hélène Rémy as Christine

Carlo Sposito as Toto Mancuso

Henri Guisol as M. Morand

Yves Montand as Yves Montand

Lisette Lebon as Paola

María Riquelme as

Eartha Kitt as Cabaret Singer (uncredited)

Vittorio Caprioli as Tour guide (uncredited)