制作公司：
发行公司：
- Icon Film Distribution Ltd. [英国] (2010) (UK) (theatrical)
- Mars Films [法国] (2010) (France) (theatrical)
- A-Film Distribution [荷兰] (2010) (Netherlands) (theatrical)
- The Weinstein Company LLC [美国] (2010) (USA) (theatrical)/(2010) (USA) (all media)/(2010) (Germany) (all media)/(2009) (USA) (all media)/(2009) (Germany) (all media)/(2009) (Argentina) (all media)
- Odeon [希腊] (2010) (Greece) (all media)
其他公司：
- Dolby Laboratories [美国] sound mix
- Film4 funding
- Arion Facilities [英国] telecine dailies
- Audiolink Ltd. walkie talkies
- Casting Collective [英国] extras casting
- EuroKids & Adults International Casting and Model Agency extras casting
- HireWorks Avid equipment rental
- Kodak Limited [英国] motion picture film supplier
- Midnight Digital Dailies
- Panalux lighting and generators
- Panavision Grips Ltd. [英国] grip equipment
- Panavision (UK) Ltd. [英国] camera equipment provided by
- Soundelux London [英国] sound post-production
- Premier PR publicity (UK)
- Fatts [英国] post-production script services
- Lip Sync Post [英国] digital intermediate/titles and opticals/sound re-recording
