Continuity mistake: After meeting Elise on the bus and getting his Blackberry dumped into his coffee David Norris calls his friend Charlie with his "spare phone" (silver). But after a cut or two you can see that he uses his BlackBerry again. So he has changed the phone during the conversation AND his coffee BlackBerry seems to be working again. (00:19:20 - 00:20:10)
Continuity mistake: While Norris runs to the rehearsal, one of the thugs' hat falls on the street. It changes position in different shots.
Continuity mistake: While walking at night, before Elise and Norris race each other, the other pedestrians are not consistent in their location depending on whether the shot is from the front or behind.
Continuity mistake: After their love scene, the next morning when David brings coffee, he opens a packet of sugar for his coffee and begins to stir it. It cuts to Elise on her phone, and then back to him preparing another packet of sugar and taking the lid off the cup, when the lid was already off. (00:59:55)
Continuity mistake: Norris is told about The Bureau and he runs away and trips, crashing his chest against the floor. A frame later, from a different angle, it is lifted halfway up.
Continuity mistake: While on the skyscraper's terrace, the light keeps alternating between bright and sunny then dark and shady randomly.
Continuity mistake: When the movie ends, Norris and Elise walk along the street. The other pedestrians are not consistent in their location depending on whether the shot is from the front or behind.
Continuity mistake: After a car crashes against a cab, Norris leans inside through the window and asks the driver if he's okay. A frame later, he's half a meter away from the window, using his cellphone.
Continuity mistake: Before Norris and Elise race each other at night, she is standing next to a sewer lid in another angle she is standing 2 meters behind it.
Answer: I would think so.