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Louis Koo Tin-Lok as Sze-To Bo |
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郭富城 as Tony |
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應采兒 as Mona |
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Tony Leung Ka-Fai as Lee Kong |
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張兆輝 as Boss Savage |
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陳小春 as Mona's Agent |
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盧海鵬 as Master Cheng |
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蔡一智 as Jing |
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高捷 as Mona's Father |
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洪偉良 as Arcade Player (uncredited) |
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羅靖庭 as Savage's Runner (uncredited) |
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甄懋強 as Sze-To's Boss |
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元彬 as Sze-To's Boss (uncredited) |
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何細文 as Fatty |
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錢榮威 as Club Customer |
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李海涛 as Club Saxophonist |
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黃華和 as Taxi Driver (uncredited) |
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李浪鳴 as Gambler |
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泳衝 as Judoist |
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馬浩宜 as Judoist |
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劉慕琪 as Judoist |
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國汝健 as Judoist |
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Tsang Tak-Ming as Judoist |
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溫金輝 as Judoist |
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李念祖 as Judoist |
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大寶 as Judoist |
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徐嘉豪 as Judoist |
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郭柏賢 as Judoist |
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楊帆 as Judoist |
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張偉傑 as Judoist |
| Directing | Johnnie To | Director |
| Writing | 游乃海 | Writer |
| Writing | 葉天成 | Writer |
| Writing | 歐健兒 | Writer |
| Sound | 金培達 | Original Music Composer |
| Camera | 鄭兆強 | Director of Photography |
| Editing | David M. Richardson | Editor |
| Art | 余興華 | Art Direction |
| Costume & Make-Up | 張世傑 | Costume Design |
| Production | 趙志誠 | Unit Manager |
| Editing | Simon Fung | Assistant Editor |
| Sound | 林偉麟 | ADR Recordist |
| Sound | 林偉麟 | Boom Operator |
| Production | Johnnie To | Producer |
| Production | 林炳坤 | Producer |
| Directing | 陳偉雄 | First Assistant Director |
| Directing | 何志恆 | First Assistant Director |
| Sound | 吳國輝 | Boom Operator |
| Production | 向華強 | Producer |
| Directing | 羅永昌 | Assistant Director |
