The Happiest Moment (1973)

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