Revealing mistake: During the opening credits, a shot of Hepburn looking into Tiffany's window from inside the store has her taking a sip of coffee. The cup is tilted and the level of the coffee is also tilted, which suggests that the cup simply had a brown coffee-colored insert so that no liquid would be spilled. (00:01:41)
Revealing mistake: In the taxi scene at the end of the movie, the steering wheel turns back and forth but the driver's hands are not moving.
Revealing mistake: In the opening titles, when Holly looks in the store window, in the background a policeman can be seeing holding up traffic for the filming.