Revealing mistake: In the room where the intruder flips the main power switch, the light in that room starts to go off BEFORE he flips the switch and the indicator turns red. Watching the DVD in slow motion helps to notice this. (00:13:25)
Revealing mistake: When Johnny enters Sauvage's party, after he broke into his building, a waiter gives him a glass of champagne, which he drops. When a second glass is given to him, the pre-made crack on the paw of the glass is visible, prior to Johnny breaking that glass. (00:50:05)
Revealing mistake: At the start of the hearse chase, when we first see the bad guys pull a hand-brake turn through 90 degrees in a small London side-street, if you look on the ground you can see the skid marks from what must have been the previous take.
Revealing mistake: When Lorna knocks out the two guards with the fire extinguisher in Sauvage's office, you can see the extinguisher actually misses the bald guard's head.
Chosen answer: The pen is equiped with tiny tranquilizer darts. That's what hits the secretary. The tranquilizer seems to have either a very long effect or some side effects, as the secretary is partly immobilized thus the wheel chair.
Christoph Galuschka ★