Supercop (1992)

Other mistake: When the girl throws a grenade at the closed window it rolls a bit and you see that the bottom has been drilled out.

Continuity mistake: During the chase scene after the rescue of Chaibot's wife, Jackie Chan's female partner rolls off the top of the police van and crashes onto the top of the car Chan drives, smashing the windshield. After they get in the car again, the windshield is intact.

Continuity mistake: In the hotel pool scene, Michelle Yeoh has straight hair. But when she goes into the hotel's evaluator, her hair is sightly wavy.

Insp. Y.K. Chen: Are you unhappy?
Uncle Bill: I'd be happier if the Commissioner did it himself.
Insp. Y.K. Chen: Aren't we very mean?
Uncle Bill: A little bit, but you more than I.
Insp. Y.K. Chen: Why's that?
Uncle Bill: Because you're my superior.

Chan Ka Kui: This is hard to memorize.
Insp. Jessica Yang: You're a super cop, and you have no memory?
Chan Ka Kui: It's the first I came across this situation. If I were you, could you recite everything in one go? I'm Chan Ka Kui, born July 4th, 1958. I joined the Royal HK Police in 1981. 19 -.
Insp. Jessica Yang: 1984, promoted to trainee inspector. Height: 5'10", weight: 73 kilos, blood type: AB. I'm nothing special. I've memorized your background.

Chan Ka Kui: Super cops in Hong Kong are cheap and plentiful like commodities in supermarkets.