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Andy Lau as Mr. To |
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鄭秀文 as Mrs. To |
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胡燕妮 as Mrs. Allen |
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Carl Ng as Steve |
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林家棟 as Insurance Surveyor |
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秦煌 as Private Investigator |
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許紹雄 as Private Investigator |
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連偉健 as Police Inspector |
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甄懋強 as Police Inspector |
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趙志誠 as |
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利沙華 as |
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金來群 as |
| Directing | Johnnie To | Director |
| Writing | The Hermit | Writer |
| Writing | 歐健兒 | Writer |
| Production | 趙志誠 | Unit Manager |
| Costume & Make-Up | 曾伯銓 | Costume Design |
| Editing | 羅永昌 | Editor |
| Editing | 朱淑儀 | Project Manager |
| Directing | 陳偉雄 | First Assistant Director |
| Crew | 元彬 | Stunt Coordinator |
| Camera | 鄭兆強 | Director of Photography |
| Costume & Make-Up | 黃家寶 | Costume Design |
| Crew | 劉艷娥 | Production Controller |
| Crew | 陳道好 | Production Controller |
| Art | 余興華 | Art Direction |
| Production | Johnnie To | Producer |
| Camera | 陶鴻武 | Second Unit Director of Photography |
| Editing | David M. Richardson | Editor |
| Sound | 鍾志榮 | Original Music Composer |
| Sound | 張少鴻 | Original Music Composer |
| Sound | 鄭秀文 | Theme Song Performance |
