Totò as Antonio La Trippa

Franca Valeri as Bianca Sereni

Peppino De Filippo as Giuseppe Mollica

Gino Cervi as Sen. Rossani-Breschi

Walter Chiari as Salvatore Dagnino

Franco Fabrizi as Roberto Cicconetti

Aroldo Tieri as Saverio Fallopponi

Riccardo Billi as il portiere

Memmo Carotenuto as Benzinaio

Stelvio Rosi as il biondino

Anna Campori as Sig.ra La Trippa

Linda Sini as signora Rossani-Breschi

Carlo Lombardi as presidente del PNR

Franco Castellani as Santamura, segretario del PNR

Fiorenzo Fiorentini as propagandista

Agostino Salvietti as cameriere di La Trippa

Mario De Simone as propagandista

Franco Giacobini as il segretario De Angelis

Alberto Sorrentino as il malato

Cristiano Cucchini as Tonino, figlio di Breschi

Carlo Pisacane as Abitante di Roccasecca (uncredited)

Gianni Di Segni as (uncredited)

Sergio Corbucci as proprietario della pensione (uncredited)

Antonio Acqua as segretario di Santamura (uncredited)