Cast & crew
Twelve Plus One (1969)
Directed by Nicolas Gessner Written by Antonio Altoviti, Marc Behm, Lucia Drudi Demby, Nicolas Gessner, Denis Norden
Cast
| Sharon Tate | Pat |
| Vittorio Gassman | Mario Beretti |
| Vittorio De Sica | Di Seta |
| Terry-Thomas | Albert |
| Ottavia Piccolo | Stefanella |
| Mylène Demongeot | Judy |
| Orson Welles | Markan |
| Lionel Jeffries | Randomhouse |
| Mara Carisi | Wardrobe Mistress (uncredited) |
| William Rushton | Bennet |
| Tim Brooke-Taylor | Jackie |
| John Steiner | Stanley |
Crew
| Stelvio Cipriani | Original Music Composer |
| Giuseppe Ruzzolini | Director of Photography |
| Giancarlo Cappelli | Editor |
| Nicolas Gessner | Director |
| Carlo Rustichelli | Original Music Composer |
| Piero Poletto | Production Design |
| Franco Carretti | Costume Design |
| Maurice Rootes | Editor |
| Antonio Altoviti | Screenplay |
| Yevgeni Petrov | Novel |
| Marc Behm | Screenplay |
| Lucia Drudi Demby | Screenplay |
| Nicolas Gessner | Screenplay |
| Ilya Ilf | Novel |
| Denis Norden | Screenplay |