Wang Chung as John Sum / Shen Chang

Lily Li as Elaine / Huang Lan

Betty Pei Ti as Fanny

Lu Ti as Mr. Sum (Shen)

Tung Lam as Boss Lam

Fan Mei-Sheng as Big Sean

Wang Kuang-Yu as Big Sean's Gangster

Dean Shek Tin as Cripple

Shum Lo as Butcher (Stepfather)

Chan Chuen as Top Fighter at Martial Arts School (uncredited)

Chan Dik-Hak as Rascal at Basketball Court (uncredited)

Chan Siu-Kai as Big Sean's Gangster (uncredited)

Chik Ngai-Hung as Big Sean's Gangster (uncredited)

Danny Chow Yun-Kin as Lam's Bodyguard (uncredited)

Chui Fat as Rascal at Basketball Court (uncredited)

Chui Kin-Wa as Big Sean's Gangster (uncredited)

Fung Ging-Man as Food Stall Boss (uncredited)

Fung Hak-On as Lam's Bodyguard (uncredited)

Gam Tin-Chue as Store Clerk (uncredited)

Goo Chim-Hung as (extra) (uncredited)

Ho Bo-Sing as Big Sean's Gangster (uncredited)

Hsu Hsia as Big Sean's Gangster (uncredited)

Huang Pei-Chih as Big Sean's Gangster (uncredited)

Ricky Hui Koon-Ying as Student at Martial Arts School (uncredited)

Kong Chuen as Big Sean's Gangster (uncredited)

Queenie Kong Hoh-Yan as Elaine's Friend (uncredited)

Kwan Yan as Onlooker on Beach (uncredited)

Anna Kwok On-Na as Elaine's Friend (uncredited)

Lai Yan as Big Sean's Gangster (uncredited)

Wynn Lau Chun-Fai as Student at Martial Arts School (uncredited)

Law Keung as Big Sean's Gangster (uncredited)

Lee Chiu as Rascal at Basketball Court (uncredited)

Max Lee Chiu-Chun as Rascal at Basketball Court (uncredited)

Lee Hang as Big Sean's Gangster (uncredited)

Lee Sau-Kei as Police Officer (uncredited)

Li Chun-Chieh as Prostitute (uncredited)

Michelle Yim as Elaine's Friend (uncredited)

Ng Yuen-Fan as Big Sean's Gangster (uncredited)

San Kuai as Student at Martial Arts School (uncredited)

Tam Bo as Big Sean's Gangster (uncredited)

Tang Tak-Cheung as Rascal at Basketball Court (uncredited)

Wan Fat as Rascal at Basketball Court (uncredited)

Johnston Wong Chan-Sin as Student at Martial Arts School (uncredited)

Tino Wong as Lam's Bodyguard (uncredited)

Wong Ching as Big Sean's Gangster (uncredited)

Wong Shu-Tong as Big Sean's Gangster (uncredited)

Yen Shi-Kwan as Lam's Bodyguard (uncredited)

Yuen Shun-Yi as Rascal at Basketball Court (uncredited)