Continuity mistake: When Hugh Grant is about to propose in the restaurant near the start, his girlfriend's hair keeps moving from in front of her ear to behind and back again with each change of shot.
Continuity mistake: In the Chinese restaurant, Gina's fortune cookie plate moves from directly in front of her to the centre of the table between shots.
Continuity mistake: In the scene in which Gina agrees to marry Mike, the length of the drawstrings on her cape changes.
Audio problem: In the scene where Frank and Michael are digging a hole to bury Johnny's body, after the exchange of gunfire, when Frank pops up from the ditch you hear him yell "Al?" but his mouth doesn't move.
