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