Inspector Maigret investigates the mysterious murder of a Dutch diamond dealer, found dead in a stolen car. The car belongs to an insurance agent, Michonnet, and has been abandoned in the garage belonging to Carl Andersen.
as le commissaire Maigret
as Else Andersen
as Carl Andersen
as Inspector Lucas
as Oscar
as Jojo
as Émile Michonnet
as Madame Michonnet
as Michèle Oscar
as Arsène
