813
Plot: 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 Nowell
Ralph Lewis
Wallace Beery
J.P. Lockney
William V. Mong
Colin Kenny
Milton Ross
Frederick Vroom
Kathryn Adams
Laura La Plante
Vera Steadman
Scott Sidney