![Believed Violent](https://i3.wp.com/image.tmdb.org/t/p/w185/azxLEWTjDQlqlnebaIH2se4LUia.jpg)
Plot
Having developed a revolutionary device that puts water in the mouth of all secret services in the world, professor Forrester is about to go on a conference in San Francisco under the protection of Tom Lepski, an insurer.
Writer | James Hadley Chase |
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Director | Georges Lautner |
Actor | Michael Brandon, Sophie Duez, Robert Mitchum |
Country | France |
Production | Candice Productions |