

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.

Le commissaire Maigret

Cécile
Madame Boynet

Madame Petitot, la concierge
Nouchi

Lucas (as Gabriello)

Dandurand

Machepied

Gérard Pardon

Dr. Pierre

Le directeur de la P.J.

Le juge d'instruction (as Henri Bonvalet)