Smith and Rigg starred together in the 1982 film Evil Under the Sun. Toby Stephens (Philip Blake) and Rachael Stirling (Caroline Crale) are the children of Maggie Smith and Diana Rigg respectively.

Royal Masonic Hospital, Ravenscott Park, Hammersmith - interior used to depict interior of Philip Blake's club.

British library - Poirot does research on the history of the case.

Benington Lordship house and gardens - Alderbury.

Agatha Christie recorded some impressions of life at the Chagar Bazar dig in Come, Tell Me How You Live. In the 1930s, Max Mallowan directed the excavations at Chagar Bazar. She also tells Poirot that she has written an account in the National Geographic. Angela Warren gives a lecture on the archaeological excavation at Chagar Bazar.

Joel de Temperley as Young Meredith Blake (as Joel De Temperley).

(may contain spoilers - click on expand to read) The Detective merely interviews the judge, not visiting the solicitors or the police superintendent, and focuses more on the testimonies of the 'five little pigs', realized in the adaptation in form interviews and flashbacks instead of via letters.

Miss Bowers had been employed by Miss Van Schuyler's family to look after her, since it later turned out that the lady was a kleptomaniac who had stolen Linnet Ridgeway's pearls among other things. The adaptation is fairly faithful to the original, with some changes to character backgrounds and minor details of the plot, and the omission of Poirot's interviews with people who were in charge of the case 14 years ago (corresponding to the first half of Book I in the novel). In the novel Death on the Nile, Miss Bowers is the nurse of Marie Van Schuyler.She travels with her employer onboard a Nile steamer. Poirot reluctantly aquiesces and gathers the testimonies of the other five possible suspects – his 'five little pigs'. Young Lucy Lemarchant, née Crale, asks Poirot to uncover the truth of the 14-year-old murder case in which her mother Caroline was hanged for poisoning her dallying husband Amyas Crale, the famous painter. A while back I wrote about the series of shows starring David Suchet as Agatha Christie’s Hercule Poirot.I said then that all of the actors in those shows portraying Christie’s characters ‘ became’ the characters they portrayed.

Maggie smith agatha christie