Other mistake: Towards the end during the last fight with Zeus, Atom is following Charlie as a mirror - when Charlie moves his right hand Atom moves its left, etc.. At one point in the last round Charlie jumps and punches with his right hand, but Atom hits Zeus with its right too.
Other mistake: When Walter Farris drives up in his DEA pickup, it has California plates and not federal GSA plates.
Other mistake: In the scene where Margaret is wearing a bright-blue dress and a woman is sewing a button onto it while about six men stand around and wait, the woman finishes sewing the button on, but keeps on going, even though it's fixed. The whole thing takes ten times longer than it should.
Other mistake: A colleague approaches Ben, picks up a newspaper, and tries to pronounce Volkskrant. Ben gives the correct pronunciation, tells him it's a Dutch newspaper. However, the top of the newspaper is visible and says Trouw, a different Dutch newspaper. (00:40:00 - 00:43:00)