Corrected entry: Near the end, Gabriel is holding John's gun asking her to kill him. A split second later, he's holding it in a different manner.
Corrected entry: When John and Angela are in the street and he kills the flying demons, you can see her sitting on the ground, vomiting to her left. In the very next shot, she's standing bent over to the right.
Correction: Angela is sitting down in the first scene after he kills the flying demons, yet she isn't throwing up. She could easily make a wobbly stand and throw up like she did.
Corrected entry: When Chas dies, he has a dab of blood on his nose. In the next shot, the blood is running down his right cheek.
Correction: Where is the mistake? In the next shot the blood has welled up enough to drip and roll down his face.
Corrected entry: When Angela, played by Rachel Weisz, emerges from the bath and starts rambling, John calls her Rachel.
Correction: Right after she stops rambling the first thing he says to her is "Angela?"
Correction: Actually, Gabriel just changes the position of the gun so that Constantine can take it.