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.
as Le commissaire Maigret
as Cécile
as Madame Boynet
as Madame Petitot, la concierge
as Nouchi
as Lucas (as Gabriello)
as Dandurand
as Machepied
as Gérard Pardon
as Dr. Pierre
as Le directeur de la P.J.
as Le juge d'instruction (as Henri Bonvalet)
as Monfils
as Hélène Pardon (uncredited)
as Monsieur Louis (uncredited)
as Monsieur Paul (uncredited)
as Un inspecteur (uncredited)
as Léopold (uncredited)
as Voyageur dans le métro (uncredited)
as (uncredited)
as L'amie de la concierge (uncredited)
as Un gendarme (uncredited)
as Le serrurier (uncredited)
as Le médecin (uncredited)
as La femme au tandem (uncredited)
as L'homme au tandem (uncredited)
as Le raccommodeur de faïence (uncredited)
as Le garçon d'étage (uncredited)
as Le chauffeur de taxi (uncredited)
as Une amie de Madame Petiot (uncredited)
as La femme de ménage (uncredited)
as Un complice de Dandurand (uncredited)
as Un inspecteur (uncredited)
as Un inspecteur (uncredited)
