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古天樂 as Ho Kwok Fai / Brain |
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任賢齊 as Fong Chau |
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叶璇 as Woman |
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馮淬帆 as Uncle |
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林雪 as Fatty |
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韩雨芹 as Fong-chow's Wife |
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莫小棋 as Brain's Wife |
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Lai Cheung-Wing as Mr. Wong's Father |
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Peter Lau Wai-Hung as Triad Boss |
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明德豐 as Buyer |
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To Hung-San as Landlord |
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Tony Lui Siu-Kwan as Shopkeeper |
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Lui Yiu-Tung as Bus Driver |
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劉宗基 as Police Detective |
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陳望華 as Wong |
| Directing | 鄭保瑞 | Director |
| Writing | 司徒錦源 | Writer |
| Production | 杜琪峰 | Producer |
| Editing | David M. Richardson | Editor |
| Costume & Make-Up | 張世傑 | Costume Design |
| Visual Effects | 黃智亨 | Visual Effects Supervisor |
| Sound | Mango Mok | Sound Editor |
| Art | 張世宏 | Art Direction |
| Art | 張世傑 | Art Direction |
| Sound | Martin Richard Chappell | Sound Designer |
| Costume & Make-Up | 張世宏 | Costume Design |
| Sound | Heidi Chan | Sound Editor |
| Writing | 鄧力奇 | Writer |
| Camera | 馮遠文 | Director of Photography |
| Sound | Xavier Jamaux | Original Music Composer |
| Production | John Chong | Executive Producer |
| Production | Elos Gallo | Consulting Producer |
| Production | 張遨揚 | Production Manager |
| Directing | 闞家偉 | Assistant Director |
| Art | Renee Wong Wai-Yan | Assistant Art Director |
| Art | Nicole Yuen | Assistant Art Director |
| Sound | Heidi Chan | Foley Artist |
| Sound | Mango Mok | Foley Editor |
| Crew | 朱祖權 | Stunts |
| Crew | 黃凱森 | Stunts |
| Crew | 黃偉亮 | Fight Choreographer |
| Crew | 黃偉亮 | Stunt Coordinator |
| Costume & Make-Up | 葉嘉茵 | Assistant Costume Designer |
| Directing | 蘇致輝 | Continuity |
| Directing | Lok Chi-Hong | Script Supervisor |
| Directing | Sam Ip | Script Supervisor |
| Sound | 黃霑 | Songs |
| Directing | 黎震龍 | Assistant Director |
