Albert Finney was initially asked to reprise his role as Poirot from Murder on the Orient Express (1974). However, he had found the make-up he had to wear for the first movie very uncomfortable in the hot interior of the train, and on realizing that he would have to undergo the same experience, this time in temperatures exceeding 100 degrees Fahrenheit, he declined the role.
First of six appearances playing Detective Hercule Poirot by actor Peter Ustinov. Though Ustinov made the character famous on the big and later small screen, Ustinov was actually the tenth actor to play Poirot in film & TV. This was also Ustinov's only outing as Poirot during the 1970s, all other five appearances were made during the 1980s.
Filming had to be stopped every day at noon for around two hours because temperatures reached around the 130 degrees Fahrenheit mark at that time. To accommodate this, make-up calls were scheduled for 4 am with filming starting at 6 am. On this, veteran actress Bette Davis once quipped: "In the older days, they'd have built the Nile for you. Nowadays, films have become travelogues and actors stunt men".
Second Agatha Christie movie in the Brabourne-Goodwin series. The picture was originally titled 'Murder on the Nile' so as to connect with the first Agatha Christie movie in the series, Murder on the Orient Express (1974). Some of the film's poster artwork was even designed to evoke the earlier movie.
David Niven as Colonel Johnny Race boards the Karnak wearing a straw boater hat with a Royal Green Jackets hat band, and later in the film wears a Royal Green Jackets necktie. The Royal Green Jackets (formed in 1966) were, at the time the film was made, the descendant regiment of Niven's wartime regiment the Rifle Brigade.
Barbara Hicks who has a blink-and-you-miss-it role as a schoolteacher turned up in Evil Under the Sun (1982) made by the same producers. She also features in a couple of Joan Hickson 's Miss Marple television programs as Miss Hartnell.
Simon Doyle (Simon MacCorkindale) mentions that he and Linnet (Lois Chiles) saw Jackie (Mia Farrow) at The Danieli Hotel in Venice. In Moonraker Lois Chiles' character Dr Holly Goodhead stays at The Danieli in Venice.