Other mistake: When driving to the Jordan's home in Wilmington, Sonny reads a highway map when he's driving the side streets.
Other mistake: In the movie, the mission takes place on the Space Shuttle Discovery. In the scene with the shuttle on the crawler, coming out of the Vehicle Assembly Building, Atlantis is pictured instead of Discovery. (01:39:48)
Other mistake: Poirot receives a box of chocolates when he's home, then goes out shopping for eggs with the same box in hand, and in the next scene he's back home, having breakfast with the eggs. There's no apparent reason for this behaviour; who goes out for an errand bringing along a sealed box they just received?
Other mistake: In the cemetery scene, one of the tombstones is shaking due to the wind.