Kate Walsh was on a CBS television comedy.
Kate Walsh (actress) . Her roles include Dr. Addison Montgomery on the ABC television dramas Grey 's Anatomy and Private Practice , Rebecca Wright on the short-lived NBC sitcom Bad Judge , and Olivia Baker on the Netflix drama series 13 Reasons Why . The Halls of Ivy is an American situation comedy that ran from 1950 -- 52 on NBC radio , created by Fibber McGee & Molly co-creator/writer Don Quinn .