 | Suzy Kendall als Jane |
 | Tina Aumont als Daniela Anselmi |
 | Luc Merenda als Roberto |
 | John Richardson als Prof. Franz |
 | Roberto Bisacco als Stefano Vanzi |
 | Ernesto Colli als Gianni Tomasso, the Scarf Vendor |
 | Angela Covello als Katia |
 | Carla Brait als Ursula |
 | Conchita Airoldi als Carol Peterson |
 | Patrizia Adiutori als Florence Heineken |
 | Luciano Bartoli als Motorcycle Guy #1 |
| Gianni Greco als Motorcycle Guy #2 |
| Luciano De Ambrosis als Inspector Martino |
| Enrico DiMarco als Village Idiot |
| Giorgio Dolfin als Slim Boy in Village |
 | Carlo Alighiero als Uncle Nino |
 | Vincenzo Crocitti als Delivery Man |
| Luca Bonicalzi als Truck Driver |
| Fausto Di Bella als John, Flo's Boyfriend |
 | Giuseppe Terranova als Car Repairman |
 | Rosaria della Femmina als Prostitute |
 | Ermelinda De Felice als Woman in Car with Roberto |
 | Dolores Calò als Woman with Green Dress at University Exit (uncredited) |
 | Renato Cestiè als Gianni Tomasso (child) (uncredited) |
 | Vera Drudi als Stefano's Landlady (uncredited) |
 | Giuseppe Marrocco als Policeman at Crime Scene (uncredited) |
 | Barbara Marzano als Hippie Dancer (uncredited) |
| Osvaldo Natale als Policeman at Crime Scene (uncredited) |
 | Alberto Sorrentino als Witness at Crime Scene (uncredited) |
| Sergio Martino | Director |
| Eugenio Alabiso | Editor |
| Sergio Martino | Screenplay |
| Sergio Martino | Story |
| Giancarlo Ferrando | Director of Photography |
| Maurizio De Angelis | Original Music Composer |
| Carlo Ponti | Producer |
| Guido De Angelis | Original Music Composer |
| Ernesto Gastaldi | Screenplay |
| Giantito Burchiellaro | Production Design |
| Silvio Laurenzi | Costume Design |
| Vera Marzot | Costume Design |
| Mario Van Riel | Makeup Artist |
| Alberto Moretti | Sound |
| Dino Di Salvo | Production Manager |
| Tonino Cervi | Executive Producer |
| Michele Massimo Tarantini | First Assistant Director |
| Andrea Petricca | Unit Manager |
| Marisa Fraticelli | Hairstylist |
| Anita Borgiotti | Script Supervisor |
| Giuseppe Bruno Bossio | Production Secretary |
| Adolfo Troiani | Camera Operator |
| Bruno Pellegrini | Assistant Camera |
| Amedeo Moriani | Assistant Editor |
| Paolo Pettini | Still Photographer |
| Luciano Anzellotti | Foley Artist |
| Romano Pampaloni | Sound Mixer |
