Guest Stars Alma Sisneros as Nurse Jocelyn Diaz Esodie Geiger as Nurse Molly Ramos Merle Dandridge as Gwen Ryan P. Shrime as Ali Wendell Pierce as Walt Myndy Crist as Lisa Edwards Michelle Obama as Herself Mackenzie Astin as Mr. Edwards Trace Adkins as Green Cole Sand as Ethan Edwards Jill Biden as Herself