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 Préjean
as Le commissaire Maigret
Santa Relli
as Cécile
Germaine Kerjean
as Madame Boynet
Luce Fabiole
as Madame Petitot, la concierge
Liliane Maigné
as Nouchi
André Gabriello
as Lucas (as Gabriello)
Jean Brochard
as Dandurand
Yves Deniaud
as Machepied
André Reybaz
as Gérard Pardon
Marcel Carpentier
as Dr. Pierre
Marcel André
as Le directeur de la P.J.
Henry Bonvallet
as Le juge d'instruction (as Henri Bonvalet)
