Characters played by James Aspey
Self
Characters played by Patrik Baboumian
Self
Characters played by Neal Barnard
Self
Characters played by Gene Baur
Self
Characters played by Nelson Campbell
Self
Characters played by Barny DuPlessis
Self
Characters played by Jane Goodall
Self
Characters played by Joel Kahn
Self
Characters played by Klaus Mitchell
Narrator
Characters played by Tim Shieff
Self
Characters played by Josh Tetrick
Self - Hampton Creek
Characters played by Jane Velez-Mitchell
Self
Characters played by Gary Yourofsky
Self