Paolo Villaggio as Rag. Ugo Fantozzi

Anna Mazzamauro as Signorina Silvani

Gigi Reder as Rag. Renzo Filini

Liù Bosisio as Pina Fantozzi

Giuseppe Anatrelli as Geom. Calboni

Ugo Bologna as Ispettor degli Ispettori, Corrado Maria Lobbiam

Mauro Vestri as Prof. Guidobaldo Maria Riccardelli

Plinio Fernando as Mariangela Fantozzi

Antonino Faà di Bruno as Mega Direttore Clamoroso, Duca Conte P.C.Semenzara

Nietta Zocchi as Contessa Serbelloni Mazzanti Viendalmare

Paolo Paoloni as Megadirettore Galattico Duca Conte Balabam

Alba Maiolini as La madre ne "La corazzata Kotiomkin"

Iolanda Fortini as Attrice ne "La corazzata Kotiomkin"

Isabella Zanussi as Cliente Pescheria

Arnaldo Caivano as Man at the Ship Launching Ceremony (uncredited)

Amerigo Alberani as

Mario Bartolomei as

Eolo Capritti as

Arnaldo Colombaioni as

Willy Colombaioni as

Vera Drudi as

Dino Emanuelli as collega di Fantozzi

Giorgio Iovine as

Rodolfo Lodi as

Giuseppe Terranova as Folagra

Pietro Zardini as Rag. Fonelli

Augusta Di Vincenzi as Woman at the train station (uncredited)

Quinto Marziali as Man in Casino (uncredited)

Eleonora Marchianti as Woman at Casino (uncredited)