 | Laurence Harvey als Jeff Miller |
 | Ann-Margret als Laura |
 | Ivan Desny als Guinness |
 | José Calvo als Benson |
 | Camilla Horn als Evelyn Brown |
 | Andrea Bosic als Manager of Casino |
 | Alberto de Mendoza als Police Captain |
 | Luis Morris als Tod |
 | Luis Dávila als il baro |
 | Milo Quesada als Gonzalo |
 | Jan Hendriks als direttore Play Boy |
 | Lisa Halvorsen als infermiera |
| Nino Zanchin | Director |
| Alberto Grimaldi | Producer |
| Luis Bacalov | Original Music Composer |
| Mario Rossi | Screenplay |
| Giuseppe Romano | Assistant Editor |
| Alberto Michelini | First Assistant Director |
| Flaminia Morandi | Script Supervisor |
| Otello Sisi | Makeup Artist |
| Alberto Nannicini | Gaffer |
| Teodorico Memé | Key Grip |
| Francisco Canet | Production Design |
| Giantito Burchiellaro | Production Design |
| Adriano Vitale | Choreographer |
| Francesca Saitto | Costume Design |
| Eduardo Noé | Camera Operator |
| Ramiro Sabell | Assistant Camera |
| Anna Maria Padoan | Dialogue Coach |
| Averoe Stefani | Production Manager |
| Faustino Ocaña | Production Manager |
| Eugenio Alabiso | Editor |
| Fausto Ancillai | Sound Mixer |
| Cecilio Paniagua | Director of Photography |
| Pietro Catella | Story |
| Sergio Donati | Screenplay |
| José Gutiérrez Maesso | Screenplay |
| Leonardo Martín | Screenplay |
| Juan Cesarabea | Screenplay |
