Hercule Poirot

Flora Ackroyd

Flora hires Poirot to investigate her uncle's murder, creating a client-detective dynamic.

Caroline Sheppard

Caroline is a gossipy but helpful neighbor who assists Poirot with local information and observations.

Roger Ackroyd

Poirot is a recent acquaintance of Roger Ackroyd, having retired to the village shortly before the murder.

Parker

Parker is the butler at Fernly Park, questioned by Poirot as a potential suspect and source of information.

Major Blunt

Poirot interviews Major Blunt as a suspect and witness, treating him with professional suspicion.

Ralph Paton

Poirot investigates Ralph Paton as the prime suspect, tracking him down and interrogating him.

Inspector Raglan

Poirot and Inspector Raglan compete to solve the murder, with Raglan resentful of Poirot's interference.

Dr. Sheppard

Dr. Sheppard is Poirot's neighbor and informal assistant, helping with the investigation while hiding his own secret.

Geoffrey Raymond

Geoffrey Raymond assists Poirot with access to documents and information about the Ackroyd household.

Flora Ackroyd

Flora hires Poirot to investigate her uncle's murder, creating a client-detective dynamic.

Parker

Parker is the butler at Fernly Park, questioned by Poirot as a potential suspect and source of information.

Roger Ackroyd

Poirot is a recent acquaintance of Roger Ackroyd, having retired to the village shortly before the murder.

The Murder of Roger Ackroyd

Retired detective who takes on the investigation of Ackroyd's murder.

The Man Who Grew Vegetable Marrows

Introduced as the mysterious new neighbor Mr. Porrott; grows vegetable marrows; has a distinctive moustache.

I Learn My Neighbour's Profession

Agrees to investigate the murder after Flora's plea; questions Dr. Sheppard about his motives for visiting the inn.

Inspector Raglan Is Confident

Observes and questions the evidence, investigates the summerhouse, and finds a scrap of cambric and a quill.

IX: The Goldfish Pond

Leads the walk, questions Blunt about the night of the murder, and secretly retrieves a wedding ring from the goldfish pond.

X: The Parlour Maid

Investigates the murder, learns the will's terms from Mr. Hammond, and confides in Dr. Sheppard that evidence points to Ralph Paton's guilt.

XI: Poirot Pays a Call

Sends Sheppard to interview Mrs. Folliott; visits Caroline to gain information and charm her.

XII: Round the Table

Leads the investigation; suggests fingerprints may be Ackroyd's own; convenes the family meeting and appeals to Flora.

XIII: The Goose Quill

Hosts Dr. Sheppard; analyzes the case, reveals the goose quill and heroin, and discusses multiple motives for Ralph Paton.

XIV: Mrs. Ackroyd

Referenced as the detective whose accusations have upset Mrs. Ackroyd; his method of secrecy is noted by Dr. Sheppard.

XV: Geoffrey Raymond

Conducts a reconstruction with Parker, discusses motives, and receives Raymond's confession.

XVII: Parker

Leads the investigation, questions Mr. Hammond about Mrs. Ferrars's finances, and theorizes about the blackmailer's psychology.

XVIII: Charles Kent

Leads the investigation; uses a goose quill to confront Kent and hints at a connection through Kent's birthplace.

XIX: Flora Ackroyd

Reveals his theory about Flora's involvement and encourages Blunt to pursue his feelings for her.

Miss Russell

Arranges the meeting with Miss Russell and uses psychological pressure to extract her confession about Charles Kent.

The Paragraph in the Paper

Arranges a nine o'clock conference, reveals Ursula Bourne as Ursula Paton, and enjoys a game of evasion with Caroline.

XXII: Ursula’s Story

Gently extracts Ursula's story, admits to using a fake newspaper paragraph to draw her out, and reassures her of his belief in Ralph's innocence.

Poirot's Little Reunion

Reads Sheppard's manuscript, organizes the reunion, reveals Ursula's marriage, and declares all present are suspects.

Ralph Paton’s Story

Reveals he discovered Ralph's hiding place, accuses the murderer in the room, and receives a confirming wireless message.

XXV: The Whole Truth

The detective who reconstructs the crime step by step and exposes the truth.

And Nothing but the Truth

Lays out the complete solution to the crime, demonstrating his deductive prowess.

XXVII: Apologia

The detective to whom Sheppard addresses his confession and trusts to manage the aftermath.