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Unknown
- År: 2006
- Land: United States of America
- Genre: Thriller, Mysterium, Eventyr, Kriminalitet
- Studio: Rick Lashbrook Films, Eleven Eleven Films
- Nøgleord: factory, amnesia, police, ransom, kidnapping, past, survival, toxic, photographic memory
- Direktør: Simón Brand
- Cast: Jim Caviezel, Greg Kinnear, Bridget Moynahan, Joe Pantoliano, Barry Pepper, Jeremy Sisto