Le Mystérieux Monsieur Sylvain
Le Mystérieux Monsieur Sylvain
Watch Le Mystérieux Monsieur Sylvain Online Free on Watchseries. In an aero-naval base, a marine engineer who was about to deliver the name of a redoubtable spy is murdered. Shortly afterwards three different men appear on the crime scene, each of them claiming to be Monsieur Sylvain, the expected sleuth. But which of the three investigators is actually Sylvain? And what about this delightful young lady who arouses one of the police inspectors? Couldn't she be the murderous spy?
- Genre: Thriller
- Country: France
- Director: Jean Stelli
- Cast: Frank Villard, Simone Renant, Jean Chevrier, Jean Marchat, Marcelle Praince, André Bervil, Marcel Raine, Paul Amiot, Claude Nollier, Suzanne Bara, Roger Bontemps, Max Doria, Jacques Mattler, Jacques Muller, Roger Coirault, Maud Lamy, Philippe Dumat,
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