Cecile, a young girl who goes to the offices of the Judicial Police several times in a row to complain about nightly visits to the apartment she occupies with her aunt, is not taken seriously by the police until she the day she is found murdered.
Albert PréjeanLe commissaire Maigret
Santa RelliCécileGermaine KerjeanMadame Boynet
Luce FabioleMadame Petitot, la conciergeLiliane MaignéNouchi
André GabrielloLucas (as Gabriello)
Jean BrochardDandurand
Yves DeniaudMachepied
André ReybazGérard Pardon
Marcel CarpentierDr. Pierre
Marcel AndréLe directeur de la P.J.
Henry BonvalletLe juge d'instruction (as Henri Bonvalet)
Charles BlavetteMonfils
France AsselinHélène Pardon (uncredited)Paul BargeMonsieur Louis (uncredited)
