A desperate, but highly respectable schoolmaster collapses at Holmes' door. His prize pupil, the son of a wealthy duke, has vanished, seemingly without a trace. And, why is Holmes getting such poor cooperation in his investigation?
Eille Norwood
Sherlock Holmes
Hubert Willis
Dr. John Watson
Tom Ronald
Reuben Hayes
Charles Croker-King
Duke of Holdernesse
Irene Rooke
Duchess of Holdernesse
Mme. d'Esterre
Mrs. Hudson