Robert Castleback is in possession of secret papers which could bring a certain prince to power under conditions which would make Castleback a ruling force in Europe. Master crook Arsene Lupin becomes aware of Castleback's bid for power and, in the interests of France, begins a search for the plans.
as Arsene Lupin
as Robert Castleback
as Maj. Parbury / Ribeira
as Formerie
as Chapman
as Gerard Beaupre
as Gourel
as Doudeville
as Prefect of Police
as Marco
as Dolores Castleback
as Genevieve
as Vashti Seminoff
