Morgan Spurlock

Self

Daryl Isaacs

Self - Internal Medicine

Lisa Ganjhu

Self - Gastroenterologist & Hepatologist

Stephen Siegel

Self - Cardiologist

Bridget Bennett

Self - Nutritionist & Dietician

Eric Rowley

Self - Exercise Physiologist

Mark Fenton

Self - Former Editor: Walking Magazine

Alexandra Jamieson

Self - Morgan's girlfriend & Vegan Chef

John Banzhaf

Self - Law Professor, George Washington University

David Satcher

Self - Former U.S. Surgeon General

Lisa Young

Self - Professor of Nutrition, New York University

Kelly Brownell

Self - Professor, Yale Center for Eating and Weight Disorders

Jacob Sullum

Self - Senior Editor, Reason Magazine

Tommy Thompson

Self - Secretary of Health and Human Services

William J. Klish

Self - Head of Dept. of Medicine, Texas Children's Hospital