813
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.
Wedgwood Nowellas Arsene LupinRalph Lewisas Robert CastlebackWallace Beeryas Maj. Parbury / RibeiraJ.P. Lockneyas FormerieWilliam V. Mongas ChapmanColin Kennyas Gerard BeaupreMilton Rossas GourelThornton Edwardsas DoudevilleFrederick Vroomas Prefect of PoliceMark Fentonas MarcoKathryn Adamsas Dolores CastlebackLaura La Planteas GenevieveVera Steadmanas Vashti Seminoff