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