Four women were murdered, each was knifed and, though they had their clothes torn, they weren't molested. As the famed police inspector Jules Maigret pieces the clues together, he comes to realize that for the elusive man that he suspects to be unmasked, he has to set him a trap.
Jean Gabin
as Commissaire Maigret
Annie Girardot
as Yvonne Maurin
Olivier Hussenot
as Lagrume
Jeanne Boitel
as Louise Maigret
Lucienne Bogaert
as Veuve Adèle Maurin
Jean Debucourt
as Camille Guimard
Paulette Dubost
as Mauricette Barberot
Lino Ventura
as Inspecteur Torrence
Jean Desailly
as Marcel Maurin
Guy Decomble
as Mazet
Jacques Hilling
as Le médecin légiste
Hubert de Lapparent
as Le juge Comeliau
