发行公司：
- Entertainment Film Distributors Ltd. [英国] (2008) (UK) (theatrical)
- Sony Pictures [澳大利亚] (2008) (Australia) (theatrical)
- Sony Pictures (2008) (New Zealand) (theatrical)
- Concorde Filmverleih GmbH [德国] (2008) (Germany) (theatrical)
- Sandrew Metronome Distribution Finland [芬兰] (2008) (Finland) (theatrical)
其他公司：
- CCE Film Partners developed with the assistance of
- Ealing Studios International international sales
- Investec Bank funding
- Audiolink Ltd. walkie talkies/mobiles
- Casting Collective [英国] extras casting
- VooDooDog animation and titles
- Anvil Post Production [英国] sound post-production
- ARRI Media camera and grip equipment provided by
- Compuhire computer and video playback (post-production)
- DNA Music music supervision
- Fatts [英国] post-production script services
- Kodak Limited [英国] motion picture film supplied by
