character - Self

character - Diogones Gent

character - The Black Knight

character - Fanning

character - Algernon

character - Maitre Fleury

character - The Duke of Venice

character - Maxwell Levy

character - Henry Wild

character - The Duke of Venice

character - Police Commissioner

character - R. B.

character - Montigny

character - Sherlock Holmes

character - Commissioner Dixon

character - Vizier

character - Commander Whiting

character - Agrippa

character - Prof. Van Dusen

character - Headmaster

character - Harry Vaneste

character - Baron Joachim von Hartog

character - Dr. Ward / Dr. Brünner

character - Sir Thomas Fairfax

character - Moyle

character - Major General Francis de Guingand

character - Doctor - Ante Natal Clinic

character - Dr. Lowton

character - Pietro Vendriani

character - Nayland Smith

character - Nayland Smith

character - Commentator

character - Khalifa Abdullah

character - Judge

character - Henri LaFarge

character - Sherlock Holmes

character - Dr. Murray

character - Niger

character - Pelias

character - Decimus

character - Alan Uttershaw

character - Moutamin

character - R Cassius

character - Steinitz

character - M. Desmoulins, French Minister, Montevideo

character - Arthur de Varville

character - Dr. Randolph

character - Lord Germain

character - Headmaster

character - Mr. Rasmusson

character - Sir Nigel Saltire

character - Second Murderer

character - Baron Pflungk

character - Chauvelin