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