著者： Robert Kenner; Richard Pearce; Eric Schlosser; Melissa Robledo; William Pohlad; Jeff Skoll; Robin Schorr; Diane Weyermann; Elise Pearlstein; Kim Roberts; Michael Pollan; Gary Hirshberg; Joel Salatin; Mark Adler; Magnolia Pictures (Firm); Participant Media.; River Road Entertainment (Firm); American Documentary, Inc.; Magnolia Home Entertainment (Firm);