发行公司：
- Big Beach
- Maximum Film Distribution (2008) (Canada) (theatrical)
- Optimum Releasing [英国] (2008) (UK) (theatrical)/(2009) (UK) (DVD)/(2009) (UK) (theatrical)
- Stony Island Entertainment (2009) (USA) (theatrical)
- Magnolia Pictures [美国] (2009) (USA) (DVD) (Blu-ray)
其他公司：
- Arion Facilities [英国] dailies telecine transfers
- Audiolink Ltd. walkie talkies
- Casting Collective [英国] extras casting
- Fuji Photo Film [英国] motion picture film supplied by
- Dolby Laboratories [美国] sound mix
- Production Copier Company production equipment and services
- Sapex Scripts [英国] post-production script services
- Premier PR publicity (UK)
- Bluff Hampton Company, The visual effects by
- The London Session Orchestra [英国] orchestra (uncredited)
- Take 2 Film Services camera equipment provided by
