Hercule Poirot sort of obsessive-compulsive" in Poirot. As mentioned in "Curtain" and "The Clocks", he is fond of classical music, particularly Mozart and Bach. In "The Mysterious Affair at Styles", Poirot operates as a fairly conventional, clue-based and logical detective; reflected in his vocabulary by two common phrases: his use of "the little grey cells" and "order and method". Hastings is irritated by the fact that Poirot sometimes conceals important details of his plans, as in "The Big Four". In this novel, Hastings is kept in the dark throughout the climax. This aspect of Poirot is less evident in the later novels,
Hercule Poirot of the story, set in modern times, was played for comedy, with Poirot investigating the murders while evading the attempts by Hastings (Robert Morley) and the police to get him out of England and back to Belgium. Albert Finney played Poirot in 1974 in the cinematic version of "Murder on the Orient Express". As of today, Finney is the only actor to receive an Academy Award nomination for playing Poirot, though he did not win. Peter Ustinov played Poirot six times, starting with "Death on the Nile" (1978). He reprised the role in "Evil Under the Sun" (1982) and "Appointment