Aldo Fabrizi as Cesare Cantelli

Alberto Sordi as Giulio Parmitoni

Mara Berni as Mara

Walter Chiari as Walter Polacchi

Peppino De Filippo as Peppino

Nino Besozzi as Professor Zaccanti

Mario Riva as Mario

Riccardo Billi as Riccardo

Ignazio Balsamo as detenuto

Enrico Luzi as detenuto

Turi Pandolfini as detenuto

Carlo Romano as

Natale Cirino as

Antonio Nicotra as

Memmo Carotenuto as

Augusto Di Giovanni as

Attilio Bossio as