In this third sequel, Mainland cop and perennial straight-woman Cheng decides on a civilian life in Hong Kong, but her immigration quickly proves comical.
| Actor | Role |
|---|---|
 Carol ChengCheng Shih-Nan | Cheng Shih-Nan |
 Alfred Cheung Kin-TingHsiao Sheng | Hsiao Sheng |
 Sandra Ng Kwan-YuSiu Yu | Siu Yu |
 Gregory Charles RiversJohn | John |
| OOliver TanOliver | Oliver |
 Benny Li Shun-YanNot listed | Not listed |
| LLee Fong-FaiNot listed | Not listed |
| RRobert ZajacNot listed | Not listed |
 Michael MillerCantonese speaking policeman | Cantonese speaking policeman |