Law/ A-zhen
Sheung-Kwun Kwan-Wai
Yu Mei-Wah
Detective A
Siu Gam
Detective B
Wan Chuen
Yuen Siu-hoi
Sze-Ma Wah-Lung
Koo Tai-mo (ruffian)
Wong Yee
Suk Tsi
Gam Lui
Lam Bik
Ng Wan-Fai
Lok Gung
Dou Nei
Director
Ng Wui
Producer
Cheng Sang
Production Manager
Chu Tsi-Kwai
Screenplay
Tam Mei-Lung