 | Paolo Villaggio als Rag. Ugo Fantozzi |
 | Anna Mazzamauro als Signorina Silvani |
 | Gigi Reder als Rag. Renzo Filini |
 | Liù Bosisio als Pina Fantozzi |
 | Giuseppe Anatrelli als Geom. Calboni |
 | Ugo Bologna als Ispettor degli Ispettori, Corrado Maria Lobbiam |
 | Mauro Vestri als Prof. Guidobaldo Maria Riccardelli |
 | Plinio Fernando als Mariangela Fantozzi |
 | Antonino Faà di Bruno als Mega Direttore Clamoroso, Duca Conte P.C.Semenzara |
 | Nietta Zocchi als Contessa Serbelloni Mazzanti Viendalmare |
 | Paolo Paoloni als Megadirettore Galattico Duca Conte Balabam |
 | Alba Maiolini als La madre ne "La corazzata Kotiomkin" |
| Iolanda Fortini als Attrice ne "La corazzata Kotiomkin" |
| Isabella Zanussi als Cliente Pescheria |
 | Arnaldo Caivano als Man at the Ship Launching Ceremony (uncredited) |
| Amerigo Alberani |
| Mario Bartolomei |
 | Eolo Capritti |
| Arnaldo Colombaioni |
| Willy Colombaioni |
 | Vera Drudi |
| Dino Emanuelli als collega di Fantozzi |
 | Giorgio Iovine |
| Rodolfo Lodi |
 | Giuseppe Terranova als Folagra |
 | Pietro Zardini als Rag. Fonelli |
 | Liana Tabacchino als Donna al casinò (uncredited) |
 | Augusta Di Vincenzi als Woman at the train station (uncredited) |
 | Quinto Marziali als Man in Casino (uncredited) |
 | Eleonora Marchianti als Woman at Casino (uncredited) |
| Luciano Salce | Director |
| Erico Menczer | Director of Photography |
| Fabio Frizzi | Original Music Composer |
| Leonardo Benvenuti | Screenplay |
| Piero De Bernardi | Screenplay |
| Paolo Villaggio | Screenplay |
| Luciano Salce | Co-Writer |
| Paolo Villaggio | Novel |
| Roberto Brega | Camera Operator |
| Attilio Viti | Unit Manager |
| Gianfranco Mecacci | Makeup Artist |
| Franco Coduti | First Assistant Director |
| Angela Bordi | Assistant Editor |
| Carlo Tommasi | Production Design |
| Orietta Nasalli Rocca | Costume Design |
| Franco Bixio | Original Music Composer |
| Vince Tempera | Original Music Composer |
| Antonio Siciliano | Editor |
| Aldo U. Passalacqua | Executive Producer |
| Marisa Agostini | Script Supervisor |
| Pietro Sassaroli | Production Secretary |
| Massimo Ferrero | Production Secretary |
| Nazzareno Zamperla | Master at Arms |
| Piero Speziali | Administration |
| Nello Giorgetti | Assistant Production Design |
| Massimo Iabone | Sound |
| Mirella Ginnoto | Hairstylist |
| Luigi Bernardini | Assistant Camera |
| Francesco Gagliardini | Assistant Camera |
| Paolo Filibotto | Assistant Camera |
| Marcello Meniconi | Assistant Makeup Artist |
| Gianfranco De Mattheis | Boom Operator |
| Olga Sarra | Assistant Editor |
| Luigi Gorini | Assistant Editor |
| Gianni D'Amico | Sound Mixer |
| Giovanni Bertolucci | Executive Producer |
| Andrea Rizzoli | Producer |
