as Mr. Black
as The Adventurer
as William Dvorak
as Arsene Lupin
as Sir Henry Weymouth
as Lt. Breen
as John Paget / Richard Paget
as John Leighton
as Horace Howard
as Victor Brandt
as Major Desmond
as John Ballard
as Tom Barclay
as Capt. Robert Kent
as Sacha
as Jules Marin / M. Picard
as Eddie Manning
as Sgt. Neil Tempest
as James Armitage
as Geoffrey Wynne
as Stephen Page
as John Hawley
as Mary Callahan
as Lester - A Swindler
as Brother John Storm
as Lieutenant Wentworth
as The King's Jester
as Dr. Hugh Loring
as Dr. Ordway Brandt
as Anthony Trent
as Ashe Colvin
as One of the Beecham Brothers
as Hawtrey Burke
as Lt. Oscar Mulbach, a German Spy
as Cyril - Son of the Earl of Creston
as Robert Travers
as Lieutenant Francis Burnham
as Henry
as Sherman Avery
as Captain Swift
as Leonard Staunton
as Dr. Howard Baldwin
as Stanley Ormsby
