A coolie is ofter a job a policeman after saving a government official, and through treachery and corruption rises through the ranks of the police, then becomes a gangster.

Gordon Liuas Lin Si Hai
Tang Chingas Commisioner Luo Guo Dong
Chen Szu-Chiaas Luo Guo Dong's Wife
Ku Fengas Jin Tian Fu
Choh Seung-Wanas Sister Bay
Wang Yongas Beijing Envoy Zheng Zhi Cheng
Hon Kwok-Choias Ah Wai
Keung Honas Inspector Zhang De Biao
Walter Tso Tat-Wahas Commisioner Liu Da Hua
Fong Pingas Commissioner Liu Da Hua's Wife