Continuity mistake: When the girl goes to the bathroom she drops her cigarette into the sink, you see it bounce and go to drop into the drain, but in the next shot of it is lying across the drain.
Continuity mistake: In the scene in the army truck Ben Affleck gets a bandage put on his neck. A little while later, when he's outside walking back to that truck and watching the dog, he's wearing a different type of bandage - it goes from a cloth-type to a plastic-type, look for the coloration and size of the gauze part.
