Vittorio Gassman as Achille Mengaroni

Monica Vitti as Flaminia

Enrico Montesano as Fausto Talponi

Roger Pierre as Tonino Accrocca

Ida Di Benedetto as Laura

Béatrice Bruno as Emma Crocetti

Néstor Garay as Cesare De Blasi

Gianni Agus as Se Stesso

Franco Ferrini as Gianni

Daniele Formica as Aldo

Jacques Ciron as Vittorio

Nando Paone as Guido Bollati

Paul Müller as Hans

Isa Danieli as Maria

Fiammetta Baralla as Tassista

Tommaso Bianco as Sergio

Marcella Petrelli as Polish tourist

Roberto Della Casa as Suicida (uncredited)

Anna Maria Perego as Woman Reading a Letter (uncredited)

Duccio Camerini as

Carlo Cartier as

Alfredo Chiodi as