四签名

Eille Norwood

Sherlock Holmes

伊莎贝尔·埃尔索姆

Mary Morstan

Fred Raynham

Prince Abdullah Khan

Arthur M. Cullin

Dr. John Watson

Norman Page

Jonathan Small

Humberston Wright

Dr. Sholto

Henry Wilson

Pygmy

Mme. d'Esterre

Mrs. Hudson

Arthur Bell

Insp. Anthony Jones