Goofs:
Continuity: As Poirot goes to leave the car after announcing his solution to the murder, Pierre is shown opening the salon door, and holding it open as Poirot pauses in the doorway, turns and watches as the various passengers make toasts to one another. Pierre is the first to step up and raise a toast with his glass of champagne. But when all the toasts have been made, Poirot is shown still standing in the doorway, then turning to exit, even as Pierre (actually just his arm is visible, but it couldn't have been anyone else) is seen in the exact same position, still holding open the door for Poirot. (more)

Trivia:
After several disappointing film adaptations, Agatha Christie initially refused to sell the film rights to any more of her books, but EMI chairman Nat Coleman enlisted the aid of Lord Louis Mountbatten to persuade Christie to allow the filming of her 1934 novel. It turned out to be her favorite film adaptation of any of her books. Mountbatten was the father-in-law of the film's producer John Brabourne (more)

Filming Locations:
EMI Elstree Studios, Borehamwood, Hertfordshire, England, UK (more)

Quotes:
[first lines]
Ferry conductor: Your ticket, please.
Mary Debenham: Oh, yes.
Ferry conductor: Welcome aboard, Miss Debenham.
Mary Debenham: Thank you.
(more)

Awards:
Won Oscar. Another 7 wins & 16 nominations (more)