Living quietly under the assumed name Paul Sernine, reformed gentleman crook Arsene Lupin is summoned to protect his invalid, wealthy friend Henry Forbes.
David Powell
as Paul Sernine (aka Arsene Lupin)
Marguerite Courtot
as Florence Chandler
Templar Saxe
as Antoine Jabot
Myrtle Stedman
as Marie Forbes
Joseph Herbert
as Henry Forbes
Charles L. MacDonald
as Chief Harvey Williams
Riley Hatch
as Alexandre Mazeroux
Charles K. Gerrard
as Gordon Savage
Frederick Burton
as Doctor Varney
