| Assistant Camera | Guillermo Peña, Manuel Santos |
| Assistant Director | Roberto Amicucci, Juan Antonio Arévalo |
| Assistant Editor | María Luisa Fernández |
| Assistant Make-up Artist | Ángeles Muñoz |
| Cast | Analía Gadé (as Ruth), Jean Sorel (as Paul), Rosanna Yanni (as Danielle), Tony Kendall (as Miguel), Maurizio Bonuglia (as Roland), Julio Peña (as Police Inspector), Mario Morales (as Droguero), José Félix Montoya (as Criado), Pilar Gómez Ferrer (as Sirvienta) |
| Cinematographer | Giovanni Bergamini |
| Costumer | Ana María Albertelli |
| Director | José María Forqué |
| Director Of Photography | Alejandro Ulloa |
| Distributor | Italcid (as (1971) (Italy) (theatrical)), Alianza Cinematográfica Española (as (1971) (Spain) (theatrical)) |
| Electrical Equipment | Sadilsa |
| Film Editor | Mercedes Alonso |
| First Assistant Editor | María Dolores Laguna |
| Hair Stylist | Carmen Alberdi |
| Make-up Artist | Manuel Martín |
| Music | Piero Piccioni |
| Production Assistant | Alessandro Scoccia, Luis Vázquez |
| Production Company | Producciones Cinematográficas Orfeo, Arvo Film |
| Production Manager | Francesco Campitelli, José Manuel M. Herrero |
| Production Secretary | Paquita Vilanova |
| Production Supervisor | Ricardo Bonilla |
| Seamstress | María Teresa Iglesias |
| Second Assistant Camera | Enrique Cerezos |
| Second Assistant Director | Miguel Angel Arribas |
| Set Decoration | Giorgio Marzelli |
| Sound Engineer | José María San Mateo |
| Sound Re-Recording | Estudios Cinematográficos Roma |
| Still Photographer | Antonio Luengo |
| Writer | José María Forqué |
| Writer (Collaboration) | Mario di Nardo |
| Writer (Dialogue) | Rafael Azcona, José María Forqué |
| Writer (Screenplay) | Rafael Azcona, José María Forqué |
| Writer (Story) | Rafael Azcona |
| Links | https://www.imdb.com/title/tt0067520/?ref_=nv_sr_srsg_0 |
