Continuity mistake: When he introduces himself to Millicent inside the train station, Paul is wearing a dripping wet raincoat. It stays wet in the close-ups, but in the next several inter-cut two-shots, it's completely dry. (00:11:15)
Continuity mistake: After he's dragged behind the horse, MacKenzie's facial abrasions keep changing completely from one scene to the next. And one day later, they've miraculously healed enough to be covered by one little bandage.