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