13 Reasons Why How Kate Walsh Tackled Heavy Role as Grieving Mother in Netflix Series Thirteen Reasons Why (Selena Gomez, Dylan O"Brien FANMADE Trailer) Its been a decade since Dr. Addison Montgomery leftSeattle Grace Hospital for her Private Practice, but starKate Walsh said she thinks about ABCs Greys Anatomy daily.Walsh plays a grieving mother in the new Netflix series 13 Reasons Why, which premieredFriday on the streaming service. Besides the show, Walsh has a busy year ahead of her with roles in theLiam Neeson thriller Felt, the road trip comedy Girls Trip opposite Queen Latifah, and the new Pop series Get in My Van, which shes also producing. Walsh is currently starring in the play If I Forget in New York, but took the time to talk to Variety about preparing for her role in 13 Reasons Why and howGreys Anatomy is still going strong 12 years after its premiere. Between TV, film, and theater, is their a mediumyou like more than the other or do they all have the same amountof p...