Abfolgefehler: The box of the Sony Walkman CD player that Will gives to Marcus can be seen on the coffee table before Marcus has unwrapped it.
Abfolgefehler: The billiard balls move around between shots during the Snooker Hall scene.
Abfolgefehler: The vase of flowers that Marcus places on the table (just when his finds his mother's suicide note) moves repeatedly between shots.
Abfolgefehler: At the end of the movie, before Will sits on the couch with Marcus, he picks up a nearly full bottle of beer. When he sits on the couch, the beer bottle is almost empty.
Abfolgefehler: As Rachel is cleaning up for Will and Marcus, she picks up a wine glass about half full, but when she sets it down, it is empty.
Abfolgefehler: When Fiona is trying to make cereal for breakfast, the editing makes the scene appear continuous, but she is holding the cereal box and then the milk in subsequent shots without having time to swap.
Faktische Fehler: Will doesn't fit in the coffee holder in the espresso machine correctly, but still manages to make a cup of coffee.
Abfolgefehler: When Will is at the single parent meeting, his hair changes repeatedly between shots.
Fehler, die von Charakteren gemacht werden (möglicherweise Absicht der Filmemacher): When the ambulance is on the way to the hospital, both crew are in the cab. When a patient is being transported the attendant must be in the back of the vehicle.
Abfolgefehler: When Marcus is watching his mother cry in the kitchen while she prepares breakfast towards the start of the film, a centre parting appears in his fringe that was not previously there, then disappears and reappears.