Continuity mistake: After Mary Ann has locked herself inside of her hospital room, she walks up to the door and you see she only has her left slipper on, the right one is behind her on the floor. In the next shot when she is sitting, about to cut her throat, the right slipper is back on her foot.
Continuity mistake: In the scene where Keanu's wife commits suicide in the psychiatric ward, you see Keanu's secretary stand idle outside the door as he screams for a doctor. In the next shot, just a second or two later, his mother, a nurse, and a few other patients are looking in instead. Then, only a moment later, the two patients have disappeared.
Continuity mistake: In the final showdown at Milton's apartment, when Kevin shoots himself in the head, he is facing forward. However, in one of the shots, you can see Keanu Reeves turn his head down and to his left as he falls, then they cut back to all the slow motion shots of him falling, facing forward.
Continuity mistake: After winning his last case in Gainesville, Keanu is about to get into his car with his wife. He pulls out her left earring with his mouth and hands it to her while she is on her cell phone. When she is getting into the car two seconds later her earring is back in her left ear. She never puts her hands up to her head to put it back in her ear.
Continuity mistake: After Kevin shoots himself and Milton becomes enraged, he turns Christabella to a skeleton of ash. In the close up of the skeleton, both of her hands are up near her right shoulder and close together, almost touching. In the far away shot of the skeleton with all the flames, her hands are now far apart. The left shoulder is back and the left hand is bent near her heart.
Continuity mistake: In the final scene in Milton's apartment, as he is trying to convince Kevin to join him, the long chain and pendant Milton's wearing switches several times back & forth from being outside his shirt and around his collar to inside underneath his shirt and almost completely invisible.
Continuity mistake: After Kevin is introduced to his sister at the end of the movie, Milton says, "Let me give you some inside information about God", and as the shot ends, Christabella is holding a cigarette in her left hand. When the next shot begins, she can be seen in the background, and the cigarette has magically jumped to her right hand.