Guest Stars Stephanie Venditto as Dr. Lisa Harris Lisa Edelstein as Dr. Lianna Sardo Matthew Rauch as Dr. Klein Seamus Dever as Ronald Phelps Alexandra Krosney as Young Lianna Sardo Alicia Lagano as Michelle Holmes Katherine Kamhi as Paula Michele Harrell as TBA Eric Lutes as Dr. Evan Mayhew Marcia Rodd as Sandra Pappish Francis Guinan as Dr. Charlton Gregory Jason Hall as Jesse Thom Gossom, Jr. as Pharmacist Co Starring Jack Hannibal as Mr. Patterson Robert Gallo as Building Manager Pamela Bel Anu as Young Sandra Pappish Rae Ritke as Mrs. Patterson Maggie Kilbourne as ER Nurse Laurie Boloven as Wendy
