Cast & crew
The Sisters (1969)
Directed by Roberto Malenotti Written by Roberto Malenotti, Brunello Rondi
Cast
| Lars Bloch | Trailer Lover |
| Rossana Canghiari | (uncredited) |
| Giancarlo Giannini | Dario |
| Attilio Dottesio | Party Speaker |
| Nathalie Delon | Diana Ross |
| Susan Strasberg | Martha |
| Filippo Perego | (uncredited) |
| Franco Abbiana | Party Speaker |
| Gianni Pulone | Party Speaker |
| Alfonso Giganti | (uncredited) |
| Massimo Girotti | Alex Beecham |
Crew
| Giorgio Gaslini | Original Music Composer |
| Gianfranco Mecacci | Makeup Department Head |
| Giorgio Bertolini | Set Decoration |
| Adriana Cassini | Hairstylist |
| Robert Dorfmann | Producer |
| Roberto Malenotti | Director |
| Antonietta Zita | Editor |
| Giulio Albonico | Director of Photography |
| Enzo Boetani | Executive Producer |
| Sebastiano Celeste | Camera Operator |
| Raffaele Cristini | Makeup Artist |
| Alessandro Fallay | Original Story |
| Luciana Marinucci | Costume Design |
| Roberto Malenotti | Screenplay |
| Brunello Rondi | Screenplay |
| Fabrizio Cortese | Producer |