迈克尔·波伦

Michael Pollan

饰：本人

埃里克·施洛瑟

Eric Schlosser

饰：本人

Richard Lobb

饰：Himself - National Chicken Council

Carole Morison

饰：Herself - Perdue Grower

Allen Trenkle

饰：Himself - Ruminant Nutrition Expert, Iowa State University

Barbara Kowalcyk

饰：Herself - Food Safety Advocate

Patricia Buck

饰：Herself - Food Safety Advocate, Barbara`s Mom

Diana DeGette

饰：Herself - Representative, Colorado

Phil English

饰：Himself - Representative - Pennsylvania, Co-Sponsor of Kevin`s L

Eldon Roth

饰：Himself - Founder of BPI

Maria Andrea Gonzalez

饰：Herself - Mother

Rosa Soto

饰：Herself - California Center for Public Health Advocacy

汤姆·布罗考

Tom Brokaw

饰：Self,(archive footage)

西奥多·罗斯福

Theodore Roosevelt

饰：Self,(archive footage)

Troy Roush

Troy Roush

饰：Self - Vice President, American Corn Growers Association

Joel Salatin

饰：Self - Polyface Farms Owner

Gary Hirshberg

饰：Self - CEO, Stonyfield Farm

丹·拉勒

Dan Rather

饰：Self,(archive footage)

奥普拉·温弗瑞

Oprah Winfrey

饰：Self,(archive footage)