制作公司：
- 寰宇娱乐有限公司 [香港]
- Universe Films Ltd. [香港]
- Sil-Metropol Organization Ltd. [香港]
- Guangzhou Ying Ming Media Co. (co-production)
发行公司：
- 寰宇影片发行有限公司 [香港] (2007) (Hong Kong) (all media) (worldwide)/(2007) (Hong Kong) (theatrical)
- 北京保利博纳电影发行有限公司 [中国] (2007) (China) (theatrical)
- 日本艺博集团 [日本] (2008) (Japan) (theatrical)
- Genius Products
- Grand Brilliance (2007) (Malaysia) (theatrical)
- Innoform Media (2007) (Singapore) (theatrical)
- Shaw Organisation [新加坡] (2007) (Singapore) (theatrical)
- The Weinstein Company LLC [美国] (2007) (Australia) (theatrical)/(2007) (USA) (theatrical)/(2007) (South Africa) (theatrical)
- Yu Enterprises (2007) (Australia) (theatrical)
其他公司：
- Props Company armourer
- Oriental Post Co. Ltd. [泰国] digital intermediate
- Ramindra [泰国] sound post-production
- Vanilla Sky sound design
- Soundfirm Beijing Co. Ltd. [中国] adr recording: Mandarin
- CineDigit [香港] additional sound production services
- TUI Insurance Consultants insurance
- Kodak (Hong Kong) Ltd. [香港] negative film
- Cine Art Laboratory laboratory
- Kantana Animation Co. Ltd. [泰国] laboratory
- 寰宇娱乐有限公司 [香港] editing facility
- 沙龙电影(香港)有限公司 [香港] equipment rental/camera equipment provided by (uncredited)
- 中国星电影制作服务有限公司 [香港] telecine
- Mandarin Laboratory (International) Ltd. [香港] subtitles (uncredited)
