发行公司：
- Momentum Pictures [英国] (2009) (UK) (all media)
- David Distribucion (2009) (Mexico) (theatrical)
- European Film Partners (EFP) (2009) (Netherlands) (theatrical)
- Imagem Filmes [巴西] (2009) (Brazil) (theatrical)
- La Fabrique de Films [法国] (2009) (France) (theatrical)
- Square One Entertainment [德国] (2009) (Germany) (all media)
其他公司：
- Audiolink Ltd. walkie talkies
- Casting Collective [英国] extras casting
- Production Copier Company production equipment and services
- Crouch End Festival Chorus choir
- Fatts [英国] post-production script services
- Movietech [英国] camera equipment provided by
- The Royal Philharmonic Orchestra [英国] music performed by
- Silva Screen Records [英国] soundtrack
