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劉青雲 as Inspector Song Donglu |
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謝霆鋒 as Captain Guo Zhui |
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杨幂 as Little Skylark |
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吴刚 as Police Chief Jin |
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井柏然 as Xiaowu |
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高虎 as NPA senior officer |
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江一燕 as Fu Yuan |
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錢嘉樂 as Wu Zhongguo |
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鄭希怡 as Li Jia, forensic doctor |
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王杍逸 as Wang Hai |
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阮德鏘 as Nan Cheng |
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江道海 as Mr Huang, Sulfur manufacturer |
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廖啟智 as Mr Ding |
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Zhang Heng as Female reporter |
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李栋 as Arsenal Worker |
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任洛敏 as [Butler] |
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Chen Qianduo as |
| Art | 張世宏 | Production Design |
| Writing | 羅志良 | Writer |
| Production | Mandy Law-Huang | Producer |
| Art | 李健威 | Art Direction |
| Sound | 泰迪羅賓 | Original Music Composer |
| Directing | 羅志良 | Director |
| Production | 爾冬陞 | Producer |
| Camera | 陳志英 | Director of Photography |
| Editing | 鄺志良 | Editor |
| Sound | 韋啟良 | Original Music Composer |
| Writing | 楊倩玲 | Writer |
| Sound | Siu Yu Lam | Sound Re-Recording Mixer |
