Mary Callahan
Mr. Black - Deputy District Attorney
Sir Henry Weymouth
William Dvorak
Victor Brandt
The Adventurer
Major Desmond
Sgt. Neil Tempest
Eddie Manning
Capt. Robert Kent
Anthony Trent
Hawtrey Burke
James Armitage
Dr. Hugh Loring
Dr. Ordway Brandt
Geoffrey Wynne
Stanley Ormsby
Arsene Lupin
Tom Barclay
John Ballard
Sacha
John Hawley
John Richardson
Sherman Avery
Walter P. Cross - Minister of Foreign Affairs
Dr. Ferguson
Lieutenant Bruce
Walter Brown, a Young Politician
Cyril - Son of the Earl of Creston
Lt. Oscar Mulbach, a German Spy
Lydia's Sweetheart, Paul
Matthew
Dick Livingston
John Ruskin
Willie's Room-Mate
The King's Jester
George Pinckney
Lord Francis Towne
Henry
