Continuity: When Cameron Diaz and Jude Law are in bed for the last time, her bra strap changes from being up and hanging down whenever the camera changes.

Factual error: When Iris is unable to sleep she looks over at Amanda's bedside clock which displays 5:00 pm, however, moments later Iris discovers a button to lower the shade. There is bright sunlight coming into the room, however, in December the sun sets prior to this time (about 4:45pm according to timeanddate.com)

Continuity: At the end of the film when Cameron Diaz decides to leave the Mercedes and walk back to the cottage, in every shot of the lane leading back toward the cottage, the tyre tracks appear and disappear with each shot.

Continuity: At the beginning of the movie, When Kate Winslet's character is talking to a friend who works in the Daily Telegraph office, this friend's cigarette changes length with different shots.

Continuity: When Iris first arrives at Amanda's house and is rushing from room to room, her scarf is wrapped around her neck and tied, then untied, then tied. Also, when she gets out of the taxi, she is not holding a notebook. Yet, when she enters the front door, she is holding a notebook.

Continuity: The morning after Amanda and Graham first spend the night together, as Graham is preparing to depart, he pulls a sports coat over his shirt. Initially he pulls the shirt collar over the coat, in the next shot the collar is under the coat, and in the next the collar is out again.

Continuity: During the dinner with Jack Black, Kate Winslet, and the old guys, the candles on the table are sometimes burned right down, and sometimes have an inch or so remaining, going up and down between shots.

Continuity: When Cameron Diaz is singing and dancing in the first shot she is holding a wine glass. In the second shot, when the camera pulls back, the glass is sitting up by the bottle. There was no break in the sound.

Continuity: When Cameron Diaz is drinking hot chocolate with Jude Law and his daughters, she has foam on her top lip and when the camera goes away and comes back, there is much more foam than before.

Audio problem: When Iris is pouring wine for herself and Jasper, the sound of pouring begins long before she picks up the bottle.