 | Leonard Whiting als Giacomo Casanova |
 | Maria Grazia Buccella als Zanetta |
 | Lionel Stander als Don Tosello |
 | Raoul Grassilli als Don Gozzi |
 | Wilfrid Brambell als Malipieri |
 | Tina Aumont als Marcella |
 | Senta Berger als Giulietta Cavamacchia |
 | Mario Scaccia als Dottor Zambelli |
| Claudio De Kunert als Giacomo Casanova bambino |
 | Silvia Dionisio als Mariolina |
 | Sara Franchetti als Suor Lucia |
 | Isabella Savona als Teresa |
 | Cristina Comencini als Angela |
 | Clara Colosimo als Nonna |
 | Ennio Balbo als Mocenigo |
 | Evi Maltagliati als Serpieri |
| Nino Segurini als Don Mancia |
| Elisabetta Fanti als Contarini |
 | Jacques Herlin als Mr. Alexandre |
 | Sofia Dionisio als Bettina |
 | Umberto Raho als Il vescovo |
| Mario Peron als Gaetano Giuseppe |
 | Linda Sini als Madre Teresa |
 | Gino Santercole als Baffo |
 | Ida Meda |
| Luigi Comencini | Director |
| Fiorenzo Carpi | Original Music Composer |
| Franco Cittadini | Producer |
| Stenio Fiorentini | Producer |
| Aiace Parolin | Director of Photography |
| Nino Baragli | Editor |
| Bruno Nicolai | Conductor |
| Piero Gherardi | Costume Design |
| Piero Gherardi | Production Design |
| Piero Gherardi | Set Decoration |
| Armando Govoni | Production Manager |
| Suso Cecchi d'Amico | Story |
| Luigi Comencini | Story |
| Suso Cecchi d'Amico | Screenplay |
| Vincenzo Mazzucchi | Unit Manager |
| Albino Morandin | Unit Manager |
| Fortunato Foti | Unit Manager |
| Carlo Nazzaro | Production Secretary |
| Carlo Vinale | Production Secretary |
| Silla Bettini | First Assistant Director |
| Giancarlo Santi | First Assistant Director |
| Paolo Finocchi | Second Assistant Director |
| Grazia Baldanello | Script Supervisor |
| Elio Polacchi | Camera Operator |
| Giancarlo Granatelli | Assistant Camera |
| Carlo Tafani | Assistant Camera |
| Pasquale Romano | Assistant Production Design |
| Giuseppe Aldrovandi | Assistant Production Design |
| Maria Baroni | Assistant Costume Designer |
| Benito Persico | Assistant Costume Designer |
| Alessandro Dell'Orco | Assistant Set Decoration |
| Massimo Tavazzi | Assistant Set Decoration |
| Fiorenzo Magli | Sound |
| Roberto Edwin Forrest | Boom Operator |
| Angelo Pennoni | Still Photographer |
| Otello Fava | Makeup Department Head |
| Alvaro Rossi | Makeup Artist |
| Raffaele Cristini | Makeup Artist |
| Cinzia Landi | Makeup Artist |
| Renata Magnanti | Hair Department Head |
| Guerrino Todero | Hairstylist |
| Adriana Cassini | Hairstylist |
| Andreina Casini | Assistant Editor |
| Gino Bartolini | Assistant Editor |
