Discover
Original Release
04/20/1974
US Release
05/23/1975
Cast
| Name | Character |
|---|
| Ray Milland | Dr. Roger Melli / Dr. Roger Mann |
| Sylva Koscina | Sonya Dorigny / Sonja Dorigny |
| Franco Giacobini | Chief Inspector Delon / Inspector Delon |
| Charly Bravo | |
| María Silva | School Teacher |
| May Heatherly | Marina |
| Eduardo Calvo | Marcel Boulone |
| Marisa Porcel | |
| Luis Gaspar | Policeman |
| María Vico | Teacher |
Directors
Writers
Rafael Romero Marchent, Luciano Ercoli, José Manuel Martín, Velga Vilipa
Cast
| Name | Character |
|---|
| Ray Milland | Dr. Roger Melli / Dr. Roger Mann |
| Sylva Koscina | Sonya Dorigny / Sonja Dorigny |
| Franco Giacobini | Chief Inspector Delon / Inspector Delon |
| Charly Bravo | |
| María Silva | School Teacher |
| May Heatherly | Marina |
| Eduardo Calvo | Marcel Boulone |
| Marisa Porcel | |
| Luis Gaspar | Policeman |
| María Vico | Teacher |
| Mario Álex | Professor Roubière |
| Walter Zamudio | |
| Swan Heinze | Airplane Passenger |
| Antonio Orengo | Coroner |
| Agustín Bescos | Sonia's servant |
| Luis Kobbe | Henri |
| Edy Linga | Boy |
| Scott Thomson | Boy |
| Fernando E. Romero | Jean Dorigny |
| Andrea Frazer | Inspector Mathieu |
Producers
| Name | Role |
|---|
| Luis Méndez | Executive Producer |
