Cast
Jacques Dacqmine as L'inspecteur principal Frédéric Belot
Maria Mauban as Mme Charlotte Colet
Roger Rudel as Commissaire Picard
Max Desrau as L'inspecteur Truflot
Jacques Duby as Maurice Verdon
Bernard Lajarrige as Octave Longspès
Guy Decomble as L'inspecteur Gaillardet
Jean Galland as Paul Tavernier