 | Enrico Maria Salerno als Enrico Marletti |
 | Sandra Milo als Giuliana Marletti |
 | Daniela Bianchi als Isabella Dominici |
 | Leopoldo Trieste als Professor Ferri |
 | Jean Sorel als Sergio |
 | Lelio Luttazzi als Conte Antonio Bellanca |
 | Raffaele Pisu als Pasqualino |
 | Ana Castor als Signora Pellini |
 | Helga Liné als Pucci |
 | Trini Alonso als Clelia Valdameri |
 | Alicia Brandet als Inge |
 | José Calvo als Commendator Tagliaferri |
| Pedro Rodríguez de Quevedo als Gustavo Valdameri |
 | Véronique Vendell als L'altra Giuliana |
 | Antonella Della Porta als Signora De Rossi |
 | Mirella Maravidi als The Girl kissing Enrico to pay a forfeit |
 | Renato Terra als Giovanni - The Valet |
| Dino Risi | Director |
| Dino Risi | Story |
| Ennio De Concini | Story |
| Ennio De Concini | Screenplay |
| Dino Risi | Screenplay |
| Franco Fraticelli | Editor |
| Maurizio Chiari | Production Design |
| Maurizio Chiari | Costume Design |
| Lelio Luttazzi | Original Music Composer |
| Lelio Luttazzi | Conductor |
| Danilo Marciani | Production Manager |
| Armando Nannuzzi | Director of Photography |
| Turi Vasile | Producer |
| Franco Montemurro | First Assistant Director |
| Renato Rizzuto | Second Assistant Director |
| Jean Blondel | Second Assistant Director |
| Ricardo Muñoz Suay | Second Assistant Director |
| Ilde Muscio | Script Supervisor |
| Lucio Trentini | Unit Manager |
| Michele Marsala | Unit Manager |
| Carmen Fábregas | Assistant Editor |
| Margherita Ferroni | Assistant Costume Designer |
| Michele Trimarchi | Makeup Artist |
| Iolanda Conti | Hairstylist |
| Bruno Cesari | Set Decoration |
| Francesco Bronzi | Assistant Production Design |
| Guido Nardone | Sound |
| Claudio Cirillo | Camera Operator |
| Giuseppe Ruzzolini | Camera Operator |
| G.B. Poletto | Still Photographer |
