When McGregor falls with the torch, it is at first in front of him, but then behind.
McGregor tells Lt. Stone to take a paper to Col. Stone. Lt. Stone begins to reach for the paper with his left hand, but accepts it with his right.
When McGregor shaves, the way Forsythe holds the snake charmer pipe changes between shots.
Maj. Hamilton speaks to McGregor and Forsythe about the Colonel. McGregor leaves and buttons his cuffs. The position of his hands changes several times between shots.
During the final battle, Khan's men form a defensive line, and several who are killed are not seen in later shots.
Although snakes are able to sense sound, they lack the outer ear that would enable them to hear the music, so the snake are not attracted to music.
McGregor lifts and moves the Vickers machine gun with no apparent effort. However, the gun with the tripod could weigh between 29 and 36 kg (65-80 lb) so it is unlikely that it would be moved as easily as it is in the film. The Vickers was a water-cooled machine gun. The ones seen in the film lack the water condenser can which was usually attached to the barrel.
Men's suits are from the 1930s rather than from the setting of the film, which is near the turn of the century.
The British soldiers do not attempt to take cover when under fire.