Gordon Lam Ka-Tung as The Master

Yeung Lok-Man as Siu Tung

Berg Ng Ting-Yip as The Veteran

Ng Wing-Sze as Prostitute Jo

Peter Chan Charm-Man as The Murderer

Bonnie Wong Man-Wai as Siu Tung's Mother

Koo Tin-Lung as Siu Tung's Father

Birdy Wong as Prostitute May

Pancy Chan as Pregnant Police Officer

Yuen Yee-Man as Siu Tung's Sister

Winston Yeh Ying-Wen as Father of the Master's Ex Girlfriend

Brenda Chan Kwai-Fan as Mother of the Master's Ex Girlfriend

Ng Wah-Shan as Fat Police Officer

Zhao Yiyi as The Master's Ex Girlfriend

Yip Long-Ching as Young Police Officer

Cheung Ming-Yiu as Fat Dragon

Jonas Cheung Chi-Hang as Thin Tiger

Suen Tsz-Wai as Fat Guy

Li Linhong as Prostitute

Jacqueline Zhu Zhi-Ying as Prostitute

Kristine Tjhin as Prostitute

Hu Chunmei as Singer in Temple Street

Li Yuk as Singer in Temple Street

Jackie Chan Chak-Kiu as Son of Patient in the Next Bed

Edmond Kok Wai-Ho as Father of Master

Sherring Ng as Mother of Master

Hu Chun-Hin as Young Master

Lau Tin-Ching as Teenage Master

Jayden Cheng Cheuk-Nam as The Master's Son

Samuel Guo as Young Siu Tung

Anthony Chan Yui-Keung as Metaphysician

Wong Cho-Hin as Young Prisoner

Ng Hok-To as Young Prisoner

Fong Kai-Yin as Young Prisoner

Chan Kam-Cheong as Policeman

Lee King-Kuen as Policeman

Lo Chun-Fung as CID

To Wai-Man as CID

Cheung Yuet-Leung as Paramedic

Lau King-Mong as Paramedic

Chau Shu-Kan as Paramedic

Choi Ming-Wah as Paramedic

David Tang Tai-Wai as Paramedic

Samuel Wong Hing-Kwok as Mortuary Staff

Lam Wai-Nin as Psychiatric Patient

Jimes Cheung Ming-Hon as Psychiatric Patient

Cheung Tung-Chiu as Psychiatric Patient

Ka Chak-Lun as Psychiatric Patient

Wong Chun-Him as Psychiatric Patient

Chu Wing-Ka as Family Member of Psychiatric Patient

Chan Chak-Yi as Corpse

Kevin Lau Cheuk-Chung as Corpse

Chan Jor-Ho as Corpse

Patrick Mung Chin-Hung as Corpse

Chan Siu-Yin as Nurse

Mo Ching-Yee as Nurse

Chan Wing-Yuk as Nurse