Morgan Spurlock character Himself
Daryl Isaacs character Himself (as Daryl M. Isaacs MD Internal Medicine)
Lisa Ganjhu character Herself (as Lisa Ganjhu D.O. Gastroenterologist & Hepatologist)
Stephen Siegel character Himself (as Steven Siegel MD FACC Cardiologist)
Bridget Bennett character Herself (as Bridget Bennett R.D.)
Eric Rowley character Himself, exercise physiologist
Mark Fenton character Himself, former editor, Walking
Alexandra Jamieson character Herself - Morgan's Girlfriend (as Healthy Chef Alex)
John Banzhaf character Himself (as John F. Banzhaf III)
David Satcher character Himself (as Dr. David Satcher)
Lisa Young character Herself (as Dr. Lisa Young)
Kelly Brownell character Himself
Jacob Sullum character Himself
Tommy Thompson character Himself
William J. Klish character Himself
