Continuity mistake: When Katherine is leaving the office for the first time, she's approaching someone in a stripy top. Camera changes and she's past the person. (00:11:50)
Continuity mistake: When the car door is ripped off by the cow, it shows the truck with the door intact.
Continuity mistake: Katherine is wearing waders when crossing the river, but they are immediately gone when she gets ashore.
Continuity mistake: When Katherine cracks the egg into the pan, and it comes out as blood, between shots the shape of the bloody egg in the pan completely changes.