Continuity mistake: During the shoot-out at the Guggenheim, each of the assailants is using so many bullets that they would have needed huge bags to carry all the magazines.
Continuity mistake: When we see Calvini get shot the second time, the bullet holes in the column behind him do not match the bullet holes when Sallinger examines them.
Continuity mistake: In the very beginning, when Owen's friend is talking to the man in the black Audi, the parked car's steering wheel changes position.
Continuity mistake: When Clive Owen falls onto the road he falls on his left side but the makeup scar is on his right cheek.
Continuity mistake: The picture from the security camera, which shows the assassin leaving Milan, says it was on 24th of November 2008. The picture at JFK Airport is dated 24th November 2007. (00:52:10 - 00:54:45)
Continuity mistake: The chase scene (which doesn't last 5 hours) starts when midday prayers are called, but by the end of it you can see the sun is on the horizon.
Continuity mistake: When Skaressen's meeting at the mosque started, we heard prayer calls from the mosque in the background. Right before Sallinger shoots Skarssen, we hear prayer calls again. They do not come that often.
Continuity mistake: When we see Calvini get shot, the bullet holes in the column are almost right behind his head, at head height above the floor. But when Sallinger examines the bullet holes in the column, they are just above the floor.
Continuity mistake: In the beginning of the movie, a man gets out of a car and walks toward a street while talking on a phone; he then starts to grab his upper left arm while vomiting. Before he falls to the ground, notice that there is a very noticeable amount of vomit on his chin. In the next shot his chin is almost spotless. (00:03:10 - 00:04:05)
