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Fearing the theft of an important secret formula, the scientist Claude Amory asks for help from Monsieur Préval, director of the Sûreté. But when Amory is mysteriously poisoned inside his own home, the detective realizes the case is more serious than he had imagined and decides to investigate each of the suspects.Read moreLess
Fearing the theft of an important secret formula, the scientist Claude Amory asks for help from Monsieur Préval, director of the Sûreté. But when Amory is mysteriously poisoned inside his own home, the detective realizes the case is more serious than he had imagined and decides to investigate each of the suspects.
The story
Fearing the theft of an important secret formula, the scientist Claude Amory asks for help from Monsieur Préval, director of the Sûreté. But when Amory is mysteriously poisoned inside his own home, the detective realizes the case is more serious than he had imagined and decides to investigate each of the suspects.
Cast & crew
René AlexandrePrévalHarry Arbell
Harry ArbellAntoine
Maxime DesjardinsClaude Amory
Gaston DuprayGaston de Ravennes
Alice FieldLucie StenayMaurice Varny
Maurice VarnyRichard Stenay
Danielle DarrieuxHenriette Stenay
Marcel VibertDr. CarelliJean Laurent
Jean LaurentDr. DernaultExplore the crew
- Screenplay
- H. Fowler Mear
- Director
- Jean Kemm
- Director of Photography
- Paul Cotteret
- Screenplay
- Brock Williams