A young reporter solves a mystery crime. The fictional reporter is Joseph Rouletabille. He works on a complex, and seemingly impossible, crime in which the criminal appears to disappear from a locked room.

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Main Cast: Serge Reggiani, Pierre Renoir, Janine Darcey, Arthur Devère, Marcel Herrand, Gaston Modot, Lucien Nat, Hélène Perdrière, Fabien Loris, Robert Le Fort

Director: Henri Aisner

Writers: Vladimir Pozner, Gaston Leroux

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Cinematographer:

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