Forbidden City Cop
An imperial agent gets ridiculed for his various inventions, until his supportive wife encourages him to attend a conference, which's actually a trap to kill all the doctors serving the emperor, where his crazy inventions come in handy.
Stephen Chow
Ling Ling Fat
Carina Lau
Ling Kar Ting
Carman Lee Yeuk-Tung
Kam Tso
Cheung Tat-Ming
Emperor
Law Kar-Ying
Fat Yan
Lee Lik-Chi
Court Official
Tats Lau Yee-Tat
Forbidden City Cop
Yuen King-Tan
Brothel Procuress
Yuen Cheung-Yan
Evil Mother
Yuen Shun-Yi
Evil Son
Poon Hang-Sang
Fat's Father-in-law
Mimi Chu Mai-Mai
Fat's Mother-in-law
Chik King-Man
Fat's Horny Patient
Alvina Kong Yan-Yin
Dizzy Patient
Wong Chi-Keung
Sai Mun Tsui Suet
Wong Yat-Fei
Yip Koo Shing
Manfred Wong Man-Chun
Luk Siu Fung
Chan Kim-Wan
Fa Moon Lau
Charles Shen
Ling Ling Kung
Jackson Ng Yuk-Sue
Ling Ling Hei
Chun Kang Wang
Ling Ling Choi
Stephen Au Kam-Tong
Alien Show Host
Jimmy Wong
Doctor
Lee Kin-Yan
Emperor's Concubine
Gary Mak Wing-Lun
Dinner Guest
Four Tse Liu-Shut
Brothel Customer
Wilson Yip
Brothel Customer
Wong Ying-Kit
Brothel Customer
Pauline Yeung Yung-Lin
Patient
Vincent Kok Tak-Chiu