Continuity mistake: When the possessed Christie seduces then kills the cop in the hot tub, he pulls away from her embrace after he realises that she's poisoned him; he's holding onto her with both hands. In the next shot, he's holding her with just one hand. (00:44:10)
Continuity mistake: When Ninja Christie fights a cop who was playing billiards, he fights her back with a pool cue. She jumps on the billiards table and chops his pool cue to pieces till he drops it. In the next shot, he is again holding the pool cue. (00:38:15)
Continuity mistake: When Ninja Christie fights a cop in a graveyard, the cop smashes a headstone with his baton. The damage on the headstone changes between shots. (01:06:25)
Continuity mistake: When the ninja shows his super-strength by lifting the golf cart, his left-hand keeps changing position at the back of the vehicle. (00:04:40)