# The Big Four — Character guide

> Key figures in The Big Four by Agatha Christie.

- [Hercule Poirot](https://www.betterreads.online/discover/the_big_four_se/characters/hercule_poirot.md): The brilliant Belgian detective who investigates the sinister Big Four organization.
- [Captain Hastings](https://www.betterreads.online/discover/the_big_four_se/characters/hastings.md): Poirot's loyal friend and narrator, who assists in the investigation.
- [Inspector Japp](https://www.betterreads.online/discover/the_big_four_se/characters/inspector_japp.md): A Scotland Yard inspector who collaborates with Poirot on the case.
- [Abe Ryland](https://www.betterreads.online/discover/the_big_four_se/characters/abe_ryland.md): A wealthy American financier and key member of the Big Four.
- [Li Chang Yen](https://www.betterreads.online/discover/the_big_four_se/characters/li_chang_yen.md): A Chinese mastermind and one of the leaders of the Big Four.
- [Dr. Savaronoff](https://www.betterreads.online/discover/the_big_four_se/characters/dr_savaronoff.md): A brilliant scientist whose disappearance triggers the investigation.
- [Madame Olivier](https://www.betterreads.online/discover/the_big_four_se/characters/madame_olivier.md): A famous French chemist and member of the Big Four.
- [John Ingles](https://www.betterreads.online/discover/the_big_four_se/characters/john_ingles.md): A secret service agent who aids Poirot against the Big Four.
- [Number Four](https://www.betterreads.online/discover/the_big_four_se/characters/number_four.md): A mysterious agent of the Big Four, often appearing in disguise.
- [Robert Grant](https://www.betterreads.online/discover/the_big_four_se/characters/robert_grant.md): A young man involved in the case, suspected of being an agent.
- [Flossie Monro](https://www.betterreads.online/discover/the_big_four_se/characters/flossie_monro.md): A young woman who becomes a victim of the Big Four's schemes.
- [Halliday](https://www.betterreads.online/discover/the_big_four_se/characters/halliday.md): A man whose death is linked to the Big Four conspiracy.
- [Mr. Paynter](https://www.betterreads.online/discover/the_big_four_se/characters/mr_paynter.md): An elderly gentleman who is targeted by the Big Four.
- [Gerald Paynter](https://www.betterreads.online/discover/the_big_four_se/characters/gerald_paynter.md): The nephew of Mr. Paynter, suspected of involvement with the Big Four.
- [Dr. Quentin](https://www.betterreads.online/discover/the_big_four_se/characters/dr_quentin.md): A doctor who treats a key witness and aids Poirot.
- [Ling](https://www.betterreads.online/discover/the_big_four_se/characters/ling.md): A Chinese servant who works for Li Chang Yen.
- [Achille Poirot](https://www.betterreads.online/discover/the_big_four_se/characters/achille_poirot.md): Poirot's twin brother, who impersonates him in a daring plan.
- [Gilmour Wilson](https://www.betterreads.online/discover/the_big_four_se/characters/gilmour_wilson.md): A scientist who assists Poirot with technical matters.
- [Claudie](https://www.betterreads.online/discover/the_big_four_se/characters/claudie.md): A French girl who becomes entangled in the Big Four's plot.
- [Dr. Ridgeway](https://www.betterreads.online/discover/the_big_four_se/characters/dr_ridgeway.md): A doctor who examines a poisoned victim.
- [Claud Darrell](https://www.betterreads.online/discover/the_big_four_se/characters/claud_darrell.md): A man who dies under mysterious circumstances.
- [M. Desjardeaux](https://www.betterreads.online/discover/the_big_four_se/characters/m_desjardeaux.md): A French official who helps Poirot in his investigation.
- [Mrs. Templeton](https://www.betterreads.online/discover/the_big_four_se/characters/mrs_templeton.md): A woman whose son is involved with the Big Four.
- [Ivan](https://www.betterreads.online/discover/the_big_four_se/characters/ivan.md): A Russian servant who provides information to Poirot.
- [Mrs. Pearson](https://www.betterreads.online/discover/the_big_four_se/characters/mrs_pearson.md): A housekeeper who witnesses a key event.
- [Mademoiselle Daviloff](https://www.betterreads.online/discover/the_big_four_se/characters/mademoiselle_daviloff.md): A Russian woman who is a suspect in the case.
- [Mr. Templeton](https://www.betterreads.online/discover/the_big_four_se/characters/mr_templeton.md): The father of young Templeton, involved in the conspiracy.
- [Sonia Daviloff](https://www.betterreads.online/discover/the_big_four_se/characters/sonia_daviloff.md): The daughter of Dr. Savaronoff, who is kidnapped.
- [Betsy Andrews](https://www.betterreads.online/discover/the_big_four_se/characters/betsy_andrews.md): A maid who helps Poirot with information.
- [Miss Martin](https://www.betterreads.online/discover/the_big_four_se/characters/miss_martin.md): A secretary who is involved in the case.
- [Sydney Crowther](https://www.betterreads.online/discover/the_big_four_se/characters/sydney_crowther.md): A politician who is a member of the Big Four.
- [Dr. Treves](https://www.betterreads.online/discover/the_big_four_se/characters/dr_treves.md): A doctor who treats a poisoned character.
- [Inspector Meadows](https://www.betterreads.online/discover/the_big_four_se/characters/inspector_meadows.md): A local police inspector who assists in the investigation.
- [Countess Vera Rossakoff](https://www.betterreads.online/discover/the_big_four_se/characters/countess_rossakoff.md): A glamorous Russian countess and former criminal associate.
- [Captain Harvey](https://www.betterreads.online/discover/the_big_four_se/characters/captain_harvey.md): A military man who is a suspect in the case.
- [Mr. Whalley](https://www.betterreads.online/discover/the_big_four_se/characters/mr_whalley.md): An old man who provides a clue to Poirot.
- [Abraham Biggs](https://www.betterreads.online/discover/the_big_four_se/characters/abraham_biggs.md): A criminal who impersonates Number Four.
- [Captain Kent](https://www.betterreads.online/discover/the_big_four_se/characters/captain_kent.md): A sea captain who transports a key character.
- [Mayerling](https://www.betterreads.online/discover/the_big_four_se/characters/mayerling.md): A mysterious figure associated with the Big Four.
- [Hanwell](https://www.betterreads.online/discover/the_big_four_se/characters/hanwell.md): A man from an asylum who delivers a warning.
- [Inez Veroneau](https://www.betterreads.online/discover/the_big_four_se/characters/inez_veroneau.md): A woman who is a victim of the Big Four.
- [Mr. Appleby](https://www.betterreads.online/discover/the_big_four_se/characters/mr_appleby.md): A police officer who assists in the case.
- [George](https://www.betterreads.online/discover/the_big_four_se/characters/george.md): A brief reference to the British Prime Minister.
- [Ernest Luttrell](https://www.betterreads.online/discover/the_big_four_se/characters/ernest_luttrell.md): A man who is suspected of being an agent.
- [Nurse Palmer](https://www.betterreads.online/discover/the_big_four_se/characters/nurse_palmer.md): A nurse who cares for a poisoned character.

HTML index: https://www.betterreads.online/discover/the_big_four_se/characters