Wedgwood Nowell
— Arsene Lupin
Ralph Lewis
— Robert Castleback
Wallace Beery
— Maj. Parbury / Ribeira
J.P. Lockney
— Formerie
William V. Mong
— Chapman
Colin Kenny
— Gerard Beaupre
Milton Ross
— Gourel
Thornton Edwards
— Doudeville
Frederick Vroom
— Prefect of Police
Mark Fenton
— Marco
Kathryn Adams
— Dolores Castleback
Laura La Plante
— Genevieve
Vera Steadman
— Vashti Seminoff