 | Florinda Bolkan als Alice Campos / Alice Cespi |
 | Peter McEnery als Henry |
 | Nicoletta Elmi als Paola Bersel / Paula Burton |
 | Klaus Kinski als Professor Blackmann |
 | Lila Kedrova als Mrs. Heim |
 | Caterina Boratto als Boutique Owner |
 | John Karlsen als Alfredo Laurenti / Alfred Lowenthal (as John Carlsen) |
 | Ida Galli als Mary |
 | Miriam Acevedo als Alice's Supervisor (as Myriam Acevedo) |
 | Rosita Torosh als Marie Leblanche (as Rosita Toros) |
 | Luigi Antonio Guerra als (as Luigi Guerra) |
 | Franco Magno als Member of the International Congress (uncredited) |
 | Esmeralda Ruspoli |
 | Feridun Çölgeçen als Hotel Concierge (uncredited) |
| Bruno Degni als Member of the International Congress (uncredited) |
| Lidia Zanussi als Member of the International Congress (uncredited) |
 | Luciano Zanussi als Member of the International Congress (uncredited) |
| Vittorio Storaro | Director of Photography |
| Luigi Bazzoni | Director |
| Luigi Bazzoni | Writer |
| Luciano Perugia | Producer |
| Jose Villaverde | Casting |
| Paolo De Andreis | Production Manager |
| Umberto Angelucci | Assistant Director |
| Iole Cecchini | Hairstylist |
| Pier Luigi Pizzi | Costume Design |
| Giancarlo Del Brocco | Makeup Artist |
| Renato Cadueri | Sound Mixer |
| Nicola Piovani | Original Music Composer |
| Carlo Ventimiglia | Special Effects |
| Marina Cicogna | Executive Producer |
| Roberto Perpignani | Editor |
| Pier Luigi Pizzi | Production Design |
| Pierluigi Agenzia | Still Photographer |
| Margherita Autuori | Publicist |
| Mario Fanelli | Novel |
| Gianfranco Turini | Camera Operator |
| Enrico Umetelli | Camera Operator |
| Alessandro Mattei | Assistant Production Manager |
| Pietro Spadoni | Boom Operator |
| Alma Luzzati | Script Supervisor |
| Fiorella Bologna | Production Accountant |
| Gabriela Butti | Production Secretary |
| Corrado Ricercato | Set Dresser |
| Piera Gabutti | First Assistant Editor |
| Matteo Spinola | Publicist |
| Giuseppe Alberti | Assistant Camera |
| Mauro Marchetti | Assistant Camera |
| Enrico Lucherini | Publicist |
| Marina Cicogna | Producer |
| Mario Fanelli | Writer |
| Mario Fanelli | Director |
