 | Walter Chiari als Walter / Nicola / Rosario |
 | Valeria Fabrizi als Claudia |
 | Alberto Bonucci als Il dottor Sisini |
 | Riccardo Billi als Giuseppe |
 | Carlo Delle Piane als Carlo "Marx" |
 | Ave Ninchi als Adele |
 | Nino Besozzi als Commendator Spallanzoni |
 | Liliana Feldmann als Giotti |
 | Pippo Starnazza als Ambrogio |
| Walter Isnenghi als Il regista Anselmonti |
 | Mirella Uberti als Cesira |
 | Luigi Pistilli als Invitato di Spallanzoni |
 | Ignazio Dolce |
| Lido Pini |
| Marino Girolami | Director |
| Marino Girolami | Producer |
| Walter Chiari | Story |
| Walter Chiari | Screenplay |
| Tito Carpi | Story |
| Tito Carpi | Screenplay |
| Fabio Dipas | Story |
| Fabio Dipas | Screenplay |
| Carlo Moscovini | Story |
| Carlo Moscovini | Screenplay |
| Marino Girolami | Story |
| Marino Girolami | Screenplay |
| Lelio Luttazzi | Original Music Composer |
| Carlo Moscovini | First Assistant Director |
| Enzo G. Castellari | Second Assistant Director |
| Maria Luisa Merci | Script Supervisor |
| Antonietta Zita | Editor |
| Enrico Tovaglieri | Production Design |
| Giulietta Deriu | Costume Design |
| Nino Vanoli | Assistant Set Decoration |
| Giuseppe Colla | Makeup Artist |
| Cristina Roncella | Hairstylist |
| Sergio Mazzantini | Unit Manager |
| Rino Palumbo | Production Secretary |
| Remo Grisanti | Camera Operator |
| Giulio Artoni | Sound |
| Mario Amari | Sound |
| Mario Fioretti | Director of Photography |
| Ignazio Luceri | Production Manager |