 | Robert Kerman als Professor Harold Monroe |
 | Francesca Ciardi als Faye Daniels |
 | Perry Pirkanen als Jack Anders |
 | Luca Barbareschi als Mark Tomaso |
 | Salvatore Basile als Chaco Losojos |
 | Ricardo Fuentes als Miguel Lujan |
 | Carl Gabriel Yorke als Alan Yates |
 | Paolo Paoloni als 1st Executive |
 | Lionello Pio Di Savoia als 2nd Executive |
 | Luigina Rocchi |
| Mauricio Rodríguez |
| Ricardo Ramírez |
| Guillermo Bueno |
| William Sánchez |
| Ángel Manuel García |
| Edgardo Maza Anaya |
| Lucia Costantini als Adulteress (uncredited) |
 | Ruggero Deodato als Man Sitting in NYU Campus (uncredited) |
 | Enrico Papa als Pantheon Interviewer (uncredited) |
| David Sage als Alan's Father (uncredited) |
| Franco Di Nunzio | Producer |
| Riz Ortolani | Original Music Composer |
| Aldo Gasparri | Special Effects |
| Gianfranco Clerici | Screenplay |
| Vincenzo Tomassi | Editor |
| Giovanni Masini | Production Manager |
| Franco Palaggi | Producer |
| Gianfranco Clerici | Story |
| Sergio D'Offizi | Director of Photography |
| Massimo Giustini | Makeup Artist |
| Ruggero Deodato | Director |
| Bruno Longobardo | Sound Mixer |
| Raul Montesanti | Sound Engineer |
| Lamberto Bava | Assistant Director |
| Gianni D'Amico | Sound Mixer |
| Salvatore Basile | Assistant Director |
| Paolo Cavicchioli | Still Photographer |
| Vito Di Bari | Production Secretary |
| Enrico Maggi | Assistant Camera |
| Giorgio Stegani | Additional Dialogue |
| Lucia Costantini | Wardrobe Designer |
| Umberto Montesanti | Boom Operator |
| Rita Antonelli | Assistant Editor |
| Nicola Catalani | Assistant Makeup Artist |
| Roberto Forges Davanzati | Camera Operator |
| Luigi Pasqualini | Electrician |
| Bill Williams | Casting |
| Rossana Rocchi | Continuity |
| Ennio Brizzolari | Key Grip |
| Rodolfo Ruzza | Property Master |
| Massimo Antonello Geleng | Production Design |
| Carlos Eduardo Uribe | Assistant Director |
| Gloria Jaramillo | Assistant Director |
| Alberto Jiménez Ruiz | Assistant Director |
