Continuity mistake: After Kane saves Cathy from the jacuzzi they call the police, but Cathy could not dry herself in just a few moments.
Continuity mistake: After Braden kills Cho's mother, Kane sees him from the roof and he puts his hood and mask on with no time to do it, just in a few seconds.
Continuity mistake: Before Cho and Dave confront the thugs in the park, the gray sweater of Dave is unzipped then zipped and back again between shots.
Continuity mistake: When Cho and Dave confront the thugs in the park, the guy in jeans and boots is lying on the table, but he is standing in the next shot.
Continuity mistake: When Cho is on the roof of the van, his clothes are clean. When he smashes through the windshield, he suddenly has wounds.
Continuity mistake: When the Indian and the others are getting away on the van and Cho is holding onto the roof the sun changes between shots.
Continuity mistake: When Cho is explaining to the cop about the shuriken star his friend Dave is on the left side, but before he grabs the falling cup he is behind Cho.
Continuity mistake: When the group of ninjas kills Cho's family one of them cuts the throat of a woman in white, and the amount of blood of that wound changes in few shots later.
Continuity mistake: When Cho is fighting the ninjas in his house in Japan, the sun on the wood floor changes between shots.
Continuity mistake: When Kane breaks the dolls its head moves between shots.
Continuity mistake: After his fight with the Indian and the others Cho gets some wounds on his face which disappear later at the funeral of his grandmother.
Continuity mistake: In the scene when Cho & Dave Hatcher confront the thugs in the park, one thug is on the right, at the back, holding a radio. He says, "Oh look, here come the policemen. I wonder what they want with us this time?" In the next shot, the radio is on the park bench, in front of his knees. (00:51:25)
Continuity mistake: The throwing stars which Braden uses to kill the one-eyed informant change from the time he throws them to the time they hit the guy. When Caifano picks up the body of the one-eyed informant, his right eye is bulging out. But after he says, "What the s**t is this?" his eye is back to normal formation. (00:26:35)
