When Eleanor and Tom are in the restaurant, she is smoking a cigarette; in long shots the cigarette is lit but in close-ups of her, it is not.
When Moto is disguised as a Mongolian, he is wearing an obvious bald cap which wrinkles at the temples.
When Prince Chung is tied up he's hit in the face several times, for the last punches the aggressor put a large ring in one of his fingers and yet there is no apparent damage to Chung's face until a very small cut appears at the very end.