Yuen Tak Wah (Andy Lau) has been practicing Taekwondo since he was a kid and becomes an expert at it with his best trick being the 720 Degree Whirlwind Kick. Wah later becomes a cop and uses his good skills to contribute in cracking cases which leads to the jealousy of Officer Cheung Yeung (Roy Cheung), the leader of the rival team. Cheung is also a Taekwondo expert who has a won a championship at the Hong Kong Police Force's Taekwondo Tournament.
Yuen Ta-Hwa
Lan
Saucer
Uncle Yee
Cheung Yeung
Hwa's Mother
Lan's Father
Ngan Tai-Seung
Officer Wu
Policeman
Policeman
Policeman
Policeman
Policeman
Policeman
Policeman
Postman
Fat Karate Fighter
Police Chief
Drug Dealer
Thug
Thug
Mainland Robber Boss
Mainland Robber
Mainland Robber
Villager
Villager
Villager