Sherlock Holmes

Dr. Watson

Dr. Watson is Sherlock Holmes's loyal friend, biographer, and companion in investigations.

Inspector Lestrade

Inspector Lestrade is a Scotland Yard detective who frequently collaborates with and seeks Holmes's expertise.

Percy Phelps

Percy Phelps is a client who hires Holmes to investigate the theft of important naval documents.

Colonel Ross

Colonel Ross is a client who employs Holmes to solve the mystery of the missing racehorse Silver Blaze.

Sir Edward Holly

Sir Edward Holly is a client who consults Holmes regarding a complex case involving a missing document.

Sarah Cushing

Sarah Cushing is a client who seeks Holmes's help after receiving mysterious packages containing severed ears.

Jim Browner

Jim Browner is a murderer and antagonist whom Holmes pursues and ultimately brings to justice.

Old Cunningham

Old Cunningham is a cunning criminal who attempts to outwit Holmes but is ultimately exposed.

Hall Pycroft

Hall Pycroft is a client who hires Holmes to investigate a suspicious job offer and a potential fraud.

Blessington

Blessington is a client who hires Holmes for protection and to investigate a murder threat.

Mycroft Holmes

Mycroft Holmes is Sherlock's older brother, a brilliant but sedentary government official who occasionally aids him.

Professor Moriarty

Professor Moriarty is Holmes's arch-nemesis, a criminal mastermind locked in a deadly intellectual battle with him.

Silver Blaze

Holmes announces his intention to go to Dartmoor, briefs Watson on the case, and meets with Colonel Ross and Inspector Gregory.

The Cardboard Box

Demonstrates his deductive reasoning by reading Watson's thoughts and later solves the cardboard box mystery by analyzing the string, knot, and ear anatomy.

The Yellow Face

Holmes deduces details about the visitor's pipe and listens to Munro's case with impatience.

The Stockbroker's Clerk

Investigates the case, deduces the plot, and rescues the managing director from suicide.

The Gloria Scott

Narrates his first case to Watson, demonstrating early deductive skills.

The Musgrave Ritual

Narrates the case to Watson, reflecting on his early career and the significance of the Musgrave Ritual.

The Reigate Puzzle

Recovering from nervous prostration after the Netherland-Sumatra case; demonstrates deductive brilliance despite illness.

The Crooked Man

Visits Watson late at night to enlist his help in the Barclay case; interviews Henry Wood and deduces the truth.

The Resident Patient

Holmes deduces the nature of the visitor from the brougham and analyzes the case, concluding that Blessington is concealing the truth.

The Greek Interpreter

Reveals his family background and introduces his brother Mycroft; takes on the case of the Greek interpreter.

The Naval Treaty

Holmes is engaged in a chemical experiment when Watson arrives, and quickly deduces details about the case from Phelps's dictated letter.

The Final Problem

Reveals Moriarty's criminal network, describes their intellectual duel, and flees to the Continent; meets his apparent end at Reichenbach Falls.