Vinnie Tortorich

Self / Narrator / Producer

Eric Westman

Self / Professor, Duke Univ. / Author / Internal Medicine Dr.

Gary Taubes

Self / Investigative Journalist / Author / NuSI

Nina Teicholz

Self / Science Journalist / Author / Nutrition Coalition

Bret Scher

Self / Cardiologist

Andreas Eenfeldt

Self / Medical Doctor

Drew Pinsky

Self / Internist / Addicitionologist

Dr. Dean Ornish

Self (Archival Footage)