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