Continuity mistake: At the end, when the naked killer is kicking the door, there is blood on the door from his feet. Several shots later, the blood on the door changes even though he has stopped kicking it. (01:34:45)
Continuity mistake: At the end, just before Bronson shoots Warren in the forehead, Warren's hair goes from messy to perfectly neat. (01:39:45)
Continuity mistake: The recorded playback of Warren's statement sounds much different than when he actually recorded the statement. (00:35:45 - 01:00:45)
Continuity mistake: Continuity is blatantly disregarded during the first scene with the coroner; Wilford Brimley's arms are down his sides, in front of his gut, down his sides again, very obvious. (00:13:05)