Guy Tréjan

as le commissaire Lambert

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André Thorent

as le commissaire adjoint et officier de police Francin.

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Fernand Berset

as l'officier de police Abadie

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Bernard Rousselet

as l'officier de police Mareuil

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Claude Ruben

as le brigadier-enquêteur Leblanc

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Marion Loran

as Mlle Moreau

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Raymond Loyer

as le commissaire de la police judiciaire Martial

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