After the exercise Crain's shirt is stained, but when he walks up to Donkeyman and his bird, it is clean.
At 1:58:31 the alcohol in the bottle slants along with the ship instead of staying level.
Esther's hairstyle is of the Sixties, not the war years.
Trevor Howard (Colonel Statter) refers to India as a "British dominion" but British India was under direct British rule (and the external affairs of the Indian princely states were dictated by Britain) prior to 1947, when British India became a self-governing dominion. India later became a republic, in 1950.