George Ridgwell
Director
Eille Norwood
Sherlock Holmes
Hubert Willis
Dr. John Watson
Hugh Buckler
Pat Cairns
Mrs. Hubert Willis
Mrs. Carey
Fred Paul
Peter Carey
Miss Willis
Miss Carey
Teddy Arundell
Insp. Stanley Hopkins
Mme. d'Esterre
Mrs. Hudson
Jack Jarman
John Neligan
Fred Rains
Neligan Sr.