 | Alberto Sordi als Aristarco Battistini |
 | Michèle Morgan als Micheline |
 | Marcello Mastroianni als Marcello Mazzoni |
 | Sylva Koscina als Renata Morandi |
 | Dorian Gray als Dorina |
 | Jorge Mistral als Romualdo |
 | Franca Marzi als Clara |
 | Franco Fabrizi als Sandro Morandi |
 | Lorella De Luca als Lina |
 | Ennio Girolami als Walter |
 | Dany Carrel als Jacqueline |
 | Gabriele Ferzetti als Giulio Ferrari |
 | Franco Scandurra als Fefè |
| Maria Marcelli als Ada |
 | Angelo Zanolli als Paolo |
 | Hanita Hallan |
 | Francesco Mulè |
| Colette Ricard |
 | Ignazio Leone |
| Molly Robinson |
| Lamberto Antinori |
 | Anna Nogara |
| Francesco Tensi |
| Gianni Franciolini | Director |
| Piero Piccioni | Original Music Composer |
| Mario Cecchi Gori | Producer |
| Sergio Amidei | Story |
| Sergio Amidei | Screenplay |
| Alberto Moravia | Story |
| Alberto Moravia | Screenplay |
| Ennio Flaiano | Story |
| Ennio Flaiano | Screenplay |
| Gianni Franciolini | Story |
| Gianni Franciolini | Screenplay |
| Edoardo Anton | Story |
| Edoardo Anton | Screenplay |
| René Barjavel | Story |
| René Barjavel | Screenplay |
| Rodolfo Sonego | Story |
| Rodolfo Sonego | Screenplay |
| Alberto Sordi | Story |
| Alberto Sordi | Screenplay |
| Enzo Serafin | Director of Photography |
| Andrea A. Tomassi | First Assistant Director |
| Adriana Novelli | Editor |
| Giorgio Giovannini | Production Design |
| Ugo Pericoli | Costume Design |
| Giuseppe Ruzzolini | Camera Operator |
| Goffredo Rocchetti | Makeup Artist |
| Gustavo Sisi | Hairstylist |
| Emilio P. Miraglia | Script Supervisor |
| Paolo Spinola | Second Assistant Director |
| Rocco Roy Mangano | Sound |
| Mario Amari | Sound |
| Pio Angeletti | Unit Manager |
| Franz de Blasi | Delegated Producer |
| Umberto Santoni | Production Secretary |
| Raimondo Castelli | Production Assistant |
