George Ridgwell
Director
Arthur Conan Doyle
Novel
Geoffrey Malins
Writer
Patrick L. Mannock
Writer
Eille Norwood
Sherlock Holmes
Hubert Willis
Dr. John Watson
George Bellamy
Beppo
Teddy Arundell
Insp. Stanley Hopkins
Mme. d'Esterre
Mrs. Hudson
Alice Moffatt
Lucretia Venucci
Jack Raymond
Pietro Venucci
