发行公司：
- 中国星娱乐有限公司 [香港] (2007) (Hong Kong) (theatrical)
- Shaw Organisation [新加坡] (2007) (Singapore) (theatrical)
- IFC Films [美国] (2008) (USA) (theatrical)
- IFC First Take (2008) (USA) (theatrical)
- Mei Ah Laser Disc Co. Ltd. [香港] (2008) (Hong Kong) (DVD)
其他公司：
- 中国星电影制作服务有限公司 [香港] post-production facilities
- 银河映像 [香港] post-production sound studio/camera and lighting equipment
- Showreel Film Facilities [香港] post-production sound studio
- i Zone Sound Design [香港] foley design
- Cinerent camera and lighting equipment
- Toplight Engineering camera and lighting equipment
- Tai Fung (Tsu's) Co. Ltd. [香港] film stock
- 邵氏兄弟(香港)有限公司 [香港] laboratory
- Brilliant Genesis Limited main titles
- Mandarin Laboratory (International) Ltd. [香港] subtitles
- New Generation Police Props special thanks
