 | Renato Rascel als Baron Osvaldo Lambertenghi |
 | Christopher Lee als Baron Roderico da Frankurten |
 | Sylva Koscina als Carla |
 | Lia Zoppelli als Letizia |
 | Kai Fischer als Kay - la rossa |
 | Franco Scandurra als Prof. Stricker |
 | Carl Wery als Professor Tedesco |
 | Antje Geerk als Susan |
 | Federico Collino als Il commendatore Luigino Visnaghi |
 | Susanne Loret als Lilliana |
 | Angelo Zanolli als Paolo - il primo play boy |
| Antonio Mambretti |
| Ivana Gilli |
 | Franco Giacobini als Il secondo play boy |
| Fiorella Ferrero |
| Francesco Tensi |
| Lamberto Antinori |
 | Rik Van Nutter als Victor (uncredited) |
| Steno | Director |
| Giorgio Giovannini | Production Design |
| Eraldo Da Roma | Editor |
| Andrea A. Tomassi | Art Direction |
| Sandro Continenza | Screenplay |
| Dino Verde | Screenplay |
| Edoardo Anton | Screenplay |
| Steno | Screenplay |
| Mario Cecchi Gori | Producer |
| Marco Scarpelli | Director of Photography |
| Renato Rascel | Original Music Composer |
| Armando Trovajoli | Original Music Composer |
| Edoardo Anton | Story |
| Mario Cecchi Gori | Story |
| Marcello Fondato | Story |
| Renato Rascel | Story |
| Steno | Story |
| Ugo Pericoli | Costume Design |
| Gustavo Sisi | Hairstylist |
| Eligio Trani | Makeup Artist |
| Pio Angeletti | Production Manager |
| Umberto Santoni | Production Supervisor |
| Armando Trovajoli | Music Director |
