Cast e produzione
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Simon YamSergeant Wong Man Chin / 'Dog Head' - Tony Ka Fai LeungChan Chong-shan / 'Hollowman'
- Kate TsuiConstable Ho Ka-po / 'Piggy'
- Lam SuetNg Tung / 'Fatman'
- Maggie SiuMadam Fong
- Siu-Fai CheungChief Inspector Chan
- Ng Ting-yipShan's Gang Member
- Wayne LaiShan's Gang Member
- Samuel PangShan's Gang Member
- Nai-Hoi YauRegista
- Johnnie ToProduzione
- Tsui Siu-MingProduzione
- Nai-Hoi YauSceneggiatura
- Kin Yee AuSceneggiatura