Michael Hui Koon-Man as Ren Letien/Chief Supt/Md Fuyu/Xiao Liu

Tanny Tien-Ni as Xiao Hong/Ma Xing Feng/Head Nurse Fong

Hu Chin as Dr Mai Yixiang/Mrs Liu

Ku Feng as Rickshaw puller/Dr Wang

Chan Shen as Rickshaw puller

Shum Lo as Mr Hua

Chiang Nan as Mr Liu

Wang Han-Chen as Mr Han

Gam Yam as Little Fu

Hao Li-Jen as Provision shopkeeper

Wong Sam as Xiao Cao/Dr Cai Youkang/clapper singer

Wang Hsieh as Police Officer Wang

Chu Mu as Police Officer/Lord San

Sai Gwa-Pau as Sauna worker