As the daring thief Arsène Lupin ransacks the homes of wealthy Parisians, the police, with a secret weapon in their arsenal, attempt to ferret him out.
as Arsène Lupin
as Joséphine
as Clarisse
as Beaumagnan
as Le duc de Dreux-Soubise
as Léonard
as le duc d'Orléans
as Le cardinal d'Etigues
as La femme aux diamants
as Jean Lupin
as Bonnetot
as Clarisse enfant
as La duchesse
as Arsène Lupin enfant
as Henriette Lupin