Lisa Agabian

饰：Herself

Manucher Alemi

饰：Himself

Lindsey Allen

饰：Herself

吉普·安德森

Kip Andersen

饰：Himself

Deniz Bolbol

饰：Herself

Heather Cooley

饰：Herself

Kamyar Guivetchi

饰：Himself

Susan Hartland

饰：Herself

Michael Klaper

饰：Himself

Howard Lyman

饰：Himself

Demosthenes Maratos

饰：Himself

Chad Nelsen

饰：Himself

Ann Notthoff

饰：Herself

Will Anderson

饰：自己

艾伯特·戈尔

Al Gore

饰：Self - Former U.S. Vice President,Climate Change Activist,/ (archive footage)

迈克尔·波伦

Michael Pollan

饰：Self - Best Selling Food Author, 'In Defense of Food'

Lauren Ornelas

饰：Self - Food Empowerment Project, Executive Director

Leila Salazar

饰：Self - Amazon Watch, Program Director (as Leila Salazar Lopez)

Erik Markegard

Erik Markegard

饰：Self - Markegard Family Grass-Fed, Co-Owner,(as Erik Makregard)

Marji Beach

饰：Self - Animal Place, Education Director

John Jeavons

饰：Self - Biointensive Farming Innovator, Author, 'How To Grow More Vegetables

Sister Dorothy Stang

饰：Self - Amazon Activist,(archive footage) (as Sister Dorothy Stang)

Wenonah Hauter

饰：Self - Food & Water Watch, Executive Director

David Phinney

饰：Self - Animal Place, Animal Care Coordinator

Ethan Brown

饰：Self - Beyond Meat, Plant-Based Meat

Shane Bernardo

饰：Self - Earthworks Urban Farm, Outreach Coordinator

Greg Litus

饰：Self - Veganic Farmer,(as Dr. Greg Litus)