A detective comes out of retirement to help his daughter's fiance prove that he did not commit a series of murders.
as Auguste Dupin
as Claire Dupin
as Prefet de police
as Adolphe Le Bon
as Philippe Huron
as Melle L'Espanaye
as Inspecteur Alphonse
as Dupar
as Le marin
as Sergent Marcel
as Inspecteur Beck
as Henri
