Claim: Kate Walsh was on Grey's Anatomy.
Evidence: 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.
Dr. Addison Adrianne Forbes Montgomery -LRB- formerly Shepherd -RRB- is a fictional character on the ABC television series Grey 's Anatomy and Private Practice played by Kate Walsh.