Hercule Poirot "Agatha Christie's Poirot", Japp was portrayed by Philip Jackson. In the film, "Thirteen at Dinner" (1985), adapted from "Lord Edgware Dies", the role of Japp was taken by the actor David Suchet, who would later star as Poirot in the ITV adaptations. The Poirot books take readers through the whole of his life in England, from the first book ("The Mysterious Affair at Styles"), where he is a refugee staying at Styles, to the last Poirot book ("Curtain"), where he visits Styles before his death. In between, Poirot solves cases outside England as well, including his most famous case, "Murder
Hercule Poirot of Roger Ackroyd". It has been said that the twelve cases related in "The Labours of Hercules" (1947) must refer to a different retirement, but the fact that Poirot specifically says that he intends to grow marrows indicates that these stories also take place before "Roger Ackroyd", and presumably Poirot closed his agency once he had completed them. There is specific mention in "The Capture of Cerberus" of the twenty-year gap between Poirot's previous meeting with Countess Rossakoff and this one. If the "Labours" precede the events in "Roger Ackroyd", then the Ackroyd case must have taken place around twenty