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Takeshi Kaneshiro as John Liu |
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梁詠琪 as Eve Choi |
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Edmund Chen as Dr. Hu |
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關穎 as Ruby |
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林雪 as Restaurant Owner |
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許紹雄 as George |
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謝魯駟 as Music Producer |
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Wang Te-Chih as |
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Wong Lei as Landlady |
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許瑋倫 as June |
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Klaus Bru as Ghoul |
| Directing | 韋家輝 | Director |
| Directing | Johnnie To | Director |
| Writing | Jimmy Liao | Author |
| Writing | 韋家輝 | Writer |
| Production | 趙志誠 | Unit Manager |
| Camera | 鄭兆強 | Director of Photography |
| Production | Johnnie To | Producer |
| Production | 韋家輝 | Producer |
| Production | Daniel Yun | Producer |
| Writing | 游乃海 | Writer |
| Writing | 歐健兒 | Writer |
| Directing | 羅永昌 | Second Unit Director |
| Camera | 陶鴻武 | Second Unit Director of Photography |
| Art | 陳錦河 | Art Direction |
| Art | 余家安 | Production Design |
| Costume & Make-Up | 曾伯銓 | Costume Design |
| Costume & Make-Up | 黃家寶 | Costume Design |
| Editing | 羅永昌 | Editor |
| Sound | 鍾志榮 | Music |
| Sound | 張少鴻 | Music |
| Writing | 葉天成 | Writer |
| Production | 陳勍 | Production Manager |
| Directing | 邵耀華 | Script Supervisor |
| Directing | Kwok Man-Ki | Assistant Director |
| Sound | 梁詠琪 | Theme Song Performance |
| Sound | 孙燕姿 | Songs |
