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Gino Cervi
as Maigret
Andreina Pagnani
as La signora Maigret
Mario Maranzana
as Lucas
Manlio Busoni
as Torrence
Daniele Tedeschi
as Janvier
Gianni Musy
as Lapointe
Franco Volpi
as Il giudice Comeliau
Oreste Lionello
as Moers
Giuseppe Scarcella
as Un agente
Franco Scandurra
as Andrè Monfils
Diego Fabbri
Writer
Romildo Craveri
Georges Simenon
Novel
Umberto Ciappetti
Amleto Micozzi
Mario Landi
Director
