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 Alexandra Krosney as Young Lianna Sardo Jason Hall as Jesse Katherine Kamhi as Paula Thom Gossom, Jr. as Pharmacist Francis Guinan as Dr. Charlton Gregory Marcia Rodd as Sandra Pappish Michele Harrell as TBA Co Starring Rae Ritke as Mrs. Patterson Laurie Boloven as Wendy Robert Gallo as Building Manager Pamela Bel Anu as Young Sandra Pappish Jack Hannibal as Mr. Patterson Maggie Kilbourne as ER Nurse
