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
Le commissaire Maigret
Santa Relli
Cécile
Germaine Kerjean
Madame Boynet
Luce Fabiole
Madame Petitot, la concierge
Liliane Maigné
Nouchi
André Gabriello
Lucas (as Gabriello)