Wang Chung

John Sum / Shen Chang

李麗麗

Elaine / Huang Lan

Betty Pei Ti

Fanny

Lu Ti

Mr. Sum (Shen)

Tung Lam

Boss Lam

樊梅生

Big Sean

Wang Kuang-Yu

Big Sean's Gangster

石天

Cripple

Shum Lo

Butcher (Stepfather)

Chan Chuen

Top Fighter at Martial Arts School (uncredited)

陳狄克

Rascal at Basketball Court (uncredited)

Chan Siu-Kai

Big Sean's Gangster (uncredited)

Chik Ngai-Hung

Big Sean's Gangster (uncredited)

周潤堅

Lam's Bodyguard (uncredited)

Chui Fat

Rascal at Basketball Court (uncredited)

張徹

Kuei Chih-Hung