Kate Walsh

Kathleen Erin Walsh (born October 13, 1967)[1] is an American actress. She is best known for her role as Dr. Addison Montgomery on the ABC television dramas Grey’s Anatomy (2005–2012, 2021–2022) and Private Practice (2007–2013). She is also known for her roles as Rebecca Wright on the short-lived NBC sitcom Bad Judge (2014–2015), Olivia Baker on 13 Reasons Why (2017–2019), and The Handler on The Umbrella Academy (2019–present).

Walsh was born in San Jose, California,[1] the daughter of Angela and Joseph Patrick Walsh Sr.[2][3] She grew up in a Catholic household[4] in Tucson, Arizona. Her mother is of Italian descent,[5][6][7] and her father was Irish, from Navan in County Meath.

Walsh graduated from Catalina Magnet High School and studied acting at the University of Arizona before dropping out. Walsh moved to New York City and joined a comedy troupe, Burn Manhattan, supporting herself by waitressing.