George Ridgwell
Director
Geoffrey Malins
Writer
Eille Norwood
Sherlock Holmes
Hubert Willis
Dr. John Watson
Lawford Davidson
Sir Eustace Brackenstall
Madeline Seymour
Lady Mary Brackenstall
Leslie Stiles
Cpt. Jack Croker
Teddy Arundell
Insp. Stanley Hopkins
Mme. d'Esterre
Mrs. Hudson
Madge Tree
Theresa Wright