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