# Antony Gillingham — The Red House Mystery character guide > Antony Gillingham in The Red House Mystery by A. A. Milne. **Role:** major **Also known as:** Antony, old Gillingham, Gillingham, Tony, Mr. Gillingham, Dear Mr. Gillingham, dear Mr. Gillingham **First appearance:** 0003-ii-mr-gillingham-gets-out-at-the-wrong-station ## Snapshot A sharp-eyed stranger who strolls into the Red House minutes after a killing, Antony Gillingham turns amateur detective with a taste for quiet, patient reasoning. ## Who they are Antony arrives at the Red House as a guest of Bill Beverley and is almost immediately swept into the aftermath of Robert Ablett's murder, coolly taking charge when Cayley falters. He is curious, unflappable, and privately skeptical of the tidy story everyone else accepts, treating the case as a puzzle to be solved rather than a tragedy to mourn. His willingness to keep asking uncomfortable questions drives the investigation forward and unsettles the household. ## Relationships ### [Bill Beverley](https://www.betterreads.dev/discover/the_red_house_mystery_se/characters/bill_beverley) _friendship_ Close friends and companions, with Bill often assisting Antony in his amateur detective work. ### [Matthew Cayley](https://www.betterreads.dev/discover/the_red_house_mystery_se/characters/matthew_cayley) _rivalry_ Antony suspects Matthew of involvement in the murder, leading to a tense adversarial dynamic. ### [Mark Ablett](https://www.betterreads.dev/discover/the_red_house_mystery_se/characters/mark_ablett) _psychological_ Antony is fascinated by Mark's behavior and suspects him of being a manipulator or murderer. ### [Inspector Birch](https://www.betterreads.dev/discover/the_red_house_mystery_se/characters/inspector_birch) _professional_ Antony cooperates with Inspector Birch but often works independently, creating a polite rivalry. ### [Robert Ablett](https://www.betterreads.dev/discover/the_red_house_mystery_se/characters/robert_ablett) _social_ Antony only briefly encounters Robert before his death, having no significant relationship. ### [Miss Norris](https://www.betterreads.dev/discover/the_red_house_mystery_se/characters/miss_norris) _social_ Antony questions Miss Norris as a witness, treating her with polite detachment. ### [Mrs. Stevens](https://www.betterreads.dev/discover/the_red_house_mystery_se/characters/mrs_stevens) _social_ Antony speaks with Mrs. Stevens, the cook, to gather information about the household. ### [Bill Beverley](https://www.betterreads.dev/discover/the_red_house_mystery_se/characters/bill_beverley) _friendship_ Close friends and companions, with Bill often assisting Antony in his amateur detective work. ### [Matthew Cayley](https://www.betterreads.dev/discover/the_red_house_mystery_se/characters/matthew_cayley) _rivalry_ Antony suspects Matthew of involvement in the murder, leading to a tense adversarial dynamic. ### [Mark Ablett](https://www.betterreads.dev/discover/the_red_house_mystery_se/characters/mark_ablett) _psychological_ Antony is fascinated by Mark's behavior and suspects him of being a manipulator or murderer. ### [Bill Beverley](https://www.betterreads.dev/discover/the_red_house_mystery_se/characters/bill_beverley) _friendship_ Close friends and companions, with Bill often assisting Antony in his amateur detective work. ### [Inspector Birch](https://www.betterreads.dev/discover/the_red_house_mystery_se/characters/inspector_birch) _professional_ Antony cooperates with Inspector Birch but often works independently, creating a polite rivalry. ## In the story ### [The Red House Mystery](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/the-red-house-mystery) Arrives at the Red House and takes on the role of amateur detective after the murder. ### [Mr. Gillingham Gets Out at the Wrong Station](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/ii-mr-gillingham-gets-out-at-the-wrong-station) Introduced as a perceptive, independent man who has spent years taking various jobs to observe people; arrives at Woodham station for a holiday. ### [III: Two Men and a Body](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/iii-two-men-and-a-body) Arrives at the Red House to visit Bill Beverley; remains calm and observant upon discovering the body; deduces the killer's likely escape route; accepts Cayley's invitation to stay. ### [IV: The Brother from Australia](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/iv-the-brother-from-australia) Confirms Cayley's account of discovering the body, states he heard the shot while approaching the house, and later informs the returning golfers of Robert's death. ### [Mr. Gillingham Chooses a New Profession](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/v-mr-gillingham-chooses-a-new-profession) Decides to take up detective work as a new profession, believing his unbiased perspective gives him an advantage over the Inspector. ### [VI: Outside or Inside?](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/vi-outside-or-inside) Raises the key question, discusses the murder with Cayley and Bill, and decides to walk to the inn. ### [VII: Portrait of a Gentleman](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/vii-portrait-of-a-gentleman) Antony takes his new role as detective seriously, questioning Bill about Mark and Cayley, and deciding to move to The George after the inquest to maintain independence. ### [VIII: “Do You Follow Me, Watson?”](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/viii-do-you-follow-me-watson) Antony deduces Cayley's manipulation of the keys and explains his reasoning to Bill, acting as the amateur detective. ### [IX: Possibilities of a Croquet Set](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/ix-possibilities-of-a-croquet-set) Investigates the ghost appearance, deduces a secret passage, and observes Cayley's suspicious behavior with the croquet box. ### [X: Mr. Gillingham Talks Nonsense](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/x-mr-gillingham-talks-nonsense) Appears in good humor, discusses the pond dragging with Cayley, and later shares his theory about the secret passage with Bill. ### [XI: The Reverend Theodore Ussher](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/xi-the-reverend-theodore-ussher) Leads the search for the secret passage, deducing its location through observation of the library's rearrangement and the placement of 'The Narrow Way'. ### [XII: A Shadow on the Wall](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/xii-a-shadow-on-the-wall) Reenacts the murder scene, deduces Cayley's deceptive door-closing, and suspects Cayley of planting evidence. ### [XIII: The Open Window](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/xiii-the-open-window) Lays out his theory of the crime to Bill, expressing fear about what may have happened. He reflects on Cayley's manipulations and decides to continue collecting facts before confronting the full truth. ### [Mr. Beverley Qualifies for the Stage](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/xiv-mr-beverley-qualifies-for-the-stage) Explores the secret passage and discovers a locked cupboard; communicates with Bill via tapping code. ### [XV: Mrs. Norbury Confides in Dear Mr. Gillingham](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/xv-mrs-norbury-confides-in-dear-mr-gillingham) Listens to Mrs. Norbury's confidences and observes Cayley's suspicious behavior from a distance. ### [XVI: Getting Ready for the Night](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/xvi-getting-ready-for-the-night) Develops and shares his theory that Cayley killed Mark and plans to hide the body in the pond; orchestrates the night's surveillance plan. ### [Mr. Beverley Takes the Water](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/xvii-mr-beverley-takes-the-water) Discusses theories with Bill, examines the keys, and watches Cayley from the shrubbery. ### [XVIII: Guesswork](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/xviii-guesswork) Leads the discussion, deducing that Mark knew of Robert's arrival on Monday and analyzing the missing collar. ### [XIX: The Inquest](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/xix-the-inquest) Attends the inquest, whispers observations to Bill, and watches witnesses intently, particularly Cayley and Amos. ### [Mr. Beverley Is Tactful](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/xx-mr-beverley-is-tactful) Acts as amateur detective; deduces clues from the poster, asks about Mark's dentist and swimming, sends Bill to investigate, and reveals Mark did not kill his brother. ### [XXI: Cayley's Apology](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/xxi-cayley-s-apology) Recipient of Cayley's confession; Cayley thanks him for allowing him to end his life in his own way. ### [XXII: Mr. Beverley Moves On](https://www.betterreads.dev/discover/the_red_house_mystery_se/chapters/xxii-mr-beverley-moves-on) Explains his deduction process to Bill, revealing he guessed Mark was Robert and tested his theory alone. ## Links - HTML: https://www.betterreads.dev/discover/the_red_house_mystery_se/characters/antony_gillingham - Book: https://www.betterreads.dev/discover/the_red_house_mystery_se - All characters: https://www.betterreads.dev/discover/the_red_house_mystery_se/characters