蠍子

Anthony Wong Chau-sang

Inspector Chou Chien

陳捷文

Inspector Cheng Hui

Maggie Siu

Inspector An Chi

Eddy Ko Hung

Mr Hu

羅蘭

Chien's mother

王龙威

Sergeant Lei Shen

Law Shu-Kei

Chien's father

張榮祥

曹眾

Ling-Si Chow

Bo-Law Kei

羅禮賢