Maigret (played by Albert Préjean) is a protagonist in Picpus.
Belgian police commissioner known for his intuitive detective methods and calm demeanor. Berthe (played by Juliette Faber) appears in Picpus.
Maigret's loyal housekeeper who assists him with domestic matters. Lucas (played by André Gabriello) appears in Picpus.
Police subordinate or colleague assisting Maigret. Maître Laignan (played by Guillaume de Sax) appears in Picpus.
Defense attorney or legal advisor in Picpus case. Le Cloaguen (played by Édouard Delmont) appears in Picpus.
Suspect or local figure in Picpus investigation. La soeur de Le Cloaguen (played by Gabrielle Fontan) appears in Picpus.
Family member of Le Cloaguen involved in the case. Le docteur Pierre (played by Pierre Palau) appears in Picpus.
Medical professional providing forensic or health insights. Madame Le Cloaguen (played by Colette Régis) appears in Picpus.
Wife or partner of Le Cloaguen.
