金鎖匙

Alan Tang Kwong-Wing

Fang Dai-Kuen

Tang Ching

Cheng Yung-Seng

Pan Yung-Sheng

Cheng's thug

Sombat Metanee

Insp. Lo

Meg Lam Kin-Ming

Chang Siu-Juan / Chen Wan-Lan

Nick Lam Wai-Kei

Private eye Huang Sin Wei

Chin Yuet-Sang

Cheng's thug

Che Dei

Huang's employee

Peter Chan Lung

Cheng's thug

Billy Chan Wui-Ngai

Cheng's thug

Gam Tin-Chue

Extortion victim

Aranya Namwong

Tin Hsiang