Based on the spy novel of the same name by Jacques Futrelle.
Language
English
Release Date
May 15, 1916
Cast
Florence Lawrence
Isabel Thorne
Sidney Bracey
Luiigi
Harry F. Millarde
Hamilton Grimm
Wallis Clark
Prince D'Abruzzi
William Welsh
Chief Campbell
Paul Panzer
Coount Rosini
Show Full Crew
Writing
Directing
Crew