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?
Sherlock Holmes
Dr. John Watson
Reuben Hayes
Duke of Holdernesse
Duchess of Holdernesse
Mrs. Hudson
Dr. Thorneycroft Huxtable
Lord Arthur Saltire
James Wilder
Director
Writer
Novel
