Chinese mystery film with a mysterious werewolf man.
| Actor | Role |
|---|---|
 Shih KienKiu Yat-Po | Kiu Yat-Po |
 Walter Tso Tat-WahChief Insp. Liu Tat | Chief Insp. Liu Tat |
 Yu So-ChauInspector No. 5 | Inspector No. 5 |
| SSo Siu-TongWong San-Chi | Wong San-Chi |
| LLee SuenKoo Mei-Chi | Koo Mei-Chi |
 Lee Pang-FeiYau Fong-Yan | Yau Fong-Yan |
 Chan Wai-YueMrs Yau/Koo Mei-Ling | Mrs Yau/Koo Mei-Ling |
| LLai Kwan-linAh Yi | Ah Yi |
 Chu Yau-KoDetective A | Detective A |