Vittorio Gassman as Michele

Ugo Tognazzi as Alfredo Balzarini

Totò as Cesare Posalaquaglia

Sylva Koscina as Odette Mercury

Giorgia Moll as Maria

Peppino De Filippo as Peppino Posalaquaglia

Erminio Macario as Tommaso

Raimondo Vianello as Olimpio

Paolo Ferrari as Ottavio

Aroldo Tieri as Commendator Pierluigi Bruscatelli

Luigi Pavese as propriétaire

Lia Zoppelli as La moglie di Alfredo

Toni Ucci as Arbitro del match di lotta

Marisa Mantovani as Donna che cerca il gattone

Andrea Bosic as Alessio, principe russo

Franca Dominici as Proprietaria di Pallino

Laura Nucci as Baronessa

Dina Perbellini as Marchesa

Nanda Primavera as Zia Tamara

Maria Marchi as Donna Ines

Olimpia Cavalli as Enrichetta

Nada Cortese as Moglie di Temistocle

Gina Rovere as Lola Capponi

Mario Castellani as Avvocato Incarta

Peppino De Martino as Cameriere con la mano fratturata

Eduardo Passarelli as Brigadiere

Gianni Di Segni as Ursus (uncredited)