Grey contre X
Grey conducts a triple murder investigation, the last murder committed gives him some clues to the murderer and that the victim may have known his killer. He devises a plan to identify the guilty party, who is a scary psycho and he is captured.
- Year : 1940
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- Director : Alfred Gragnon, Pierre Maudru
- Cast : Pierre Stéphen, Doumel, Maurice Lagrenée, Jeanne Helbling, Charlotte Lysès, Roger Legris