Earle Williams

as Mary Callahan

as John Wilbur

as Horace Howard

as Mr. Black

as William Dvorak

as Sir Henry Weymouth

as The Adventurer

as Victor Brandt

as Major Desmond

as Sgt. Neil Tempest

as Ramón Martinez

as Lt. Breen

as Capt. Robert Kent

as Eddie Manning

as Anthony Trent

as Captain Swift

as Yale Durant

as Nathaniel 'Nat' Dunham

as Leonard Staunton

as Jules Marin / M. Picard

as John Paget / Richard Paget

as John Leighton

as Ashe Colvin

as James Maddox

as Jules Beaubien / Baptiste

as John Ashton / Lord John Hartford

as James Armitage

as Hawtrey Burke

as Dr. Hugh Loring

as Sylvester Todd

as Geoffrey Wynne

as Stephen Page

as Robert Travers

as Arsene Lupin

as Dr. Ordway Brandt

as Stanley Ormsby

as Lieutenant Francis Burnham

as Christopher Race

as Christopher Race

as John Ballard

as Jack Courtney

as Tom Barclay

as Richard Lawrence - the General's Son

as Sacha

as Brother John Storm

as Sherman Avery

as Harry Faulkner

as Henry

as John Hawley

as John Richardson

as Walter P. Cross - Minister of Foreign Affairs

as One of the Beecham Brothers

as Walter Brown, a Young Politician

as Cyril - Son of the Earl of Creston

as John Ruskin

as The King's Jester

as Lester - A Swindler

as Lt. Oscar Mulbach, a German Spy

as Lieutenant Bruce

as Jack

as Willie's Room-Mate

as Dr. Ferguson

as Dick Livingston

as Lydia's Sweetheart, Paul

as Matthew

as Dr. Howard Baldwin

as Lieutenant Wentworth

as Lord Francis Towne

as Captain Jack Myers

as George Pinckney

as Marcus Brutus