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
Leslie English
Dr. Thorneycroft Huxtable
Patrick Key
Lord Arthur Saltire
Cecil Kerr
James Wilder
Maurice Elvey
The Priory School
Released
Bande-annonce