An Australian cop heads to Hong Kong to head off the supply of a new designer drug which raises the sexual appetite of anyone who takes it.
| Actor | Role |
|---|---|
 Angela Mao YingAngela Li Shou-Hua | Angela Li Shou-Hua |
 George LazenbyJoseph Stoner | Joseph Stoner |
 Hwang In-shikMr. Big | Mr. Big |
 Betty Ting PeiWang Yen Yen | Wang Yen Yen |
 Joji TakagiMr. Chin | Mr. Chin |
 Sammo Kam-Bo HungGang Strongman | Gang Strongman |
 Gam LauClub girl | Club girl |
| RRomanolee RoseMelanie | Melanie |
| SSamuel J. PeakeCult Leader | Cult Leader |
 Yeung WaiShrine Priest | Shrine Priest |
 Sun LanGangster | Gangster |
| HHong Seong-joongInspector Fong | Inspector Fong |
| KKim Ki-jooThug | Thug |
 Sze-Ma Wah-LungMan at auction | Man at auction |
 Su HsiangKuan Te Jen | Kuan Te Jen |
 Lok GungScientist | Scientist |
 Tony Ching Siu-TungGang member | Gang member |
 Wilson Tong Wai-ShingThug | Thug |
 Tsang Choh-LamTemple addict | Temple addict |
 Nick Lam Wai-KeiCop | Cop |
 Hsu HsiaHuan Ye Jen | Huan Ye Jen |
 Wong MeiThug | Thug |
 Chan ChuenThug | Thug |
 Ren HaoFake priest | Fake priest |
 Billy Chan Wui-NgaiThug | Thug |
 Eric Tsang Chi-WaiThug at temple | Thug at temple |
 Yuen BiaoThug at temple | Thug at temple |
 John Cheung Ng-LongThug at temple | Thug at temple |
 Siu GamBar bouncer | Bar bouncer |
 Fong YuenLab technician | Lab technician |