Picpus is a street and a subway stop where a number of murders have been committed. Maigret tries to find the killer.
as Maigret
as Berthe
as Mascouvin
as Lucas
as Louis Dubief
as Maître Laignan
as Le Cloaguen
as Le grand patron
as Amadieu
as Le docteur Pierre
as La soeur de Le Cloaguen
as Madame Le Cloaguen
as Le petit employé (uncredited)
as (uncredited)
as (uncredited)
as (uncredited)
as Le clerc (uncredited)
as Le coursier (uncredited)
as (uncredited)
as Jacques (uncredited)
as Madame Cognet (uncredited)
as Le peintre (uncredited)
as (uncredited)
as (uncredited)
as (uncredited)
as (uncredited)
as Marie, la bonne (uncredited)
as Un inspecteur (uncredited)
as Le garçon du buffet (uncredited)
as Madame Bertaud (uncredited)
as La patronne de l'hôtel (uncredited)
as Bouffartigues (uncredited)
as Eliane (uncredited)
as La concierge de Jeanne Dumont (uncredited)