Director : Corey Yuen Kwai
Producer : Sammo Hung Kam Bo
Action Director : Chin Kar Lok, Hung Ga Ban, Meng Hoi, Yuen Wah
| | Other titles : | 义勇先锋 (HK Title) 神探父子兵 (HK Title) Shen tan fu zi bing (HK Title) | Country : | Hong Kong | Film Company : | Bo Ho Films Co., Ltd., D&B Films Co. | Genre : | Action / Crime | Video : | Colour | Audio : | Speaking (Cantonese) | HK Gross : | 6.804 M. HK$ |
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