Revealing mistake: At the end, Wallace's friend is charging in slow motion, and if you look closely you will see his battle axe flopping around like it's made of rubber. (02:49:50)
Revealing mistake: When Jim is rescued from the snow (thrown over Reggie's shoulder), he moves his leg, although he is supposed to be unconscious.
Revealing mistake: When Rimbaud dies, as the nurse covers him with the white cloth, he blinks for a fraction of a second.