Totò as commissario Antonio Saracino

Peppino De Filippo as cavalier Alfredo Fiore

Aldo Fabrizi as don Amilcare

Nino Taranto as ispettore Giuseppe Mastrillo

Erminio Macario as colonnello La Matta

Rossella Como as la moglie di Lancetti

Mario Castellani as Commendatore Filippo Lancetti

Ivy Holzer as La signora Durant

Ugo D'Alessio as Di Sabato

Nino Terzo as Usciere Pappalardo

Pietro Carloni as Cognato di Lancetti

Mario De Simone as Spampinato

Carlo Delle Piane as Pecorino

Dany París as Jacqueline

Gianni Agus as Dottor Cavallo

Luciano Bonanni as Ladro anziano

Piero Gerlini as Passante

Moira Orfei as Signora Fiore

Filippo Spoletini as Thief (uncredited)