Even though Mike is able to reattach his arm, his jacket arm should still be ripped all around the shoulder.
Emily, even though she wears the same clothes throughout the movie her shoes change from white heels to black boots randomly
When Mike, Brent and Cliff arrive at lake Michigan and Cliff is dead on the bench a boat can be seen in the distance in the lake. The position of the boat changes inconsistently between shots.
Emily, even though she wears the same clothes throughout the movie her shoes change from white heels to black boots randomly.
In the beginning of the movie when Mike and Brent are in the bar they order some beer and the waitress brings them a pitcher and two glasses even though they only drink one glass each and the pitcher is more than half full when they leave in the next shot when they walk away from the table the pitcher is almost empty.