David D. Perlmutter as Himself

Tim Noakes as Himself

Andreas Eenfeldt as Himself

Jimmy Moore as Himself

Gary Taubes as Himself

Lathe Poland as Self

Jonathan Bailor as Self

Jonny Bowden as Self

Kashia Cave as Self

Ann Cooper as Self

Andrea DiMauro as Self

Yoni Freedhoff M.D. as Self

Jeffery Gerber M.D. as Self

Jacqueline Gjurgevich as Self

Stephan Guyenet M.D. as Self

Adele Hite MPH R.D. as Self

Sami Inkinen as Self

Meredith Loring as Self

David L. Katz as Self

Rick Lindquist as Self

Marion Nestle as Self

Jennifer Phelps M.D. as Self

Marlene Schwartz PHD as Self

Wendy Scinta M.D. as Self

Mark Sisson as Self

Christine Straley as Self

Ronald Tamler M.D. as Self

Melanie Warner as Self

Brian Wansink M.D. as Self

Eric Carlsen as Narrator

Gisela Carlsen as Nurse

Daniel Damiano as Dr. K. Lulis

Elyssia Poland as Self

Daniel Riffe as Thomas Willis