Earle Williams

as Mr. Black

as Horace Howard

as The Adventurer

as William Dvorak

as Walter Brown, a Young Politician

as Sir Henry Weymouth

as Dr. Ferguson

as Arsene Lupin

as Sgt. Neil Tempest

as Marcus Brutus

as Brother John Storm

as John Paget / Richard Paget

as Tom Barclay

as Capt. Robert Kent

as Eddie Manning

as Victor Brandt

as Jules Marin / M. Picard

as Sacha

as Dr. Ordway Brandt

as Lieutenant Francis Burnham

as John Ballard

as Lieutenant Wentworth

as Major Desmond

as John Leighton

as Henry

as Richard Lawrence - the General's Son

as Lester - A Swindler

as Yale Durant

as Stephen Page

as Dick Livingston

as Mary Callahan

as James Armitage

as John Ruskin

as John Wilbur

as John Hawley

Cast

as Jack

as Leonard Staunton

as Dr. Hugh Loring

as Captain Swift

as Captain Jack Myers

as Anthony Trent

as Lieutenant Bruce

Cast

as Harry Faulkner

as Lt. Breen

as Lord Francis Towne

Cast

as Lt. Oscar Mulbach, a German Spy

as Hawtrey Burke

as Matthew

as Willie's Room-Mate

as Geoffrey Wynne

as John Richardson

as Dr. Howard Baldwin

as Robert Travers

as George Pinckney

as One of the Beecham Brothers

Cast

as The King's Jester

as Walter P. Cross - Minister of Foreign Affairs

Cast

as Jack Courtney

as Sherman Avery

as Ashe Colvin

as Stanley Ormsby

as Cyril - Son of the Earl of Creston

as Christopher Race

as Lydia's Sweetheart, Paul