George Ridgwell
Director
Geoffrey Malins
Writer
Eille Norwood
Sherlock Holmes
Hubert Willis
Dr. John Watson
H. Wheeler
Insp. Stanley Hopkins
Mme. d'Esterre
Mrs. Hudson
Robert Vallis
Wilson Kemp
Edith Saville
Sophy Kratides
Joseph R. Tozer
Harold Latimer
Cecil Dane
Mr. Melas