Characters in Novels (Sign of Four / Study in Scarlet)

Sherlock Holmes

Also in A Study in Scarlet, Studie in Scharlachrot, Dörtlerin Imzası, The Sign of Four, The Adventures of Sherlock Holmes, Memoirs of Sherlock Holmes, The Hound of the Baskervilles, The Hound of the Baskervilles [adaptation], The Return of Sherlock Holmes, The Valley of Fear

Jonathan Small

Dr. John H. Watson

Also in Dörtlerin Imzası, The Adventures of Sherlock Holmes, Memoirs of Sherlock Holmes, The Return of Sherlock Holmes, His Last Bow, Sherlock Holmes Short Stories, Short Stories (Adventures of Sherlock Holmes / Memoirs of Sherlock Holmes [12 stories])

Mary Morstan

Also in Dörtlerin Imzası, The Sign of Four

John Sholto

Mahomet Singh

Abdullah Khan

Dost Akbar