Kate Linder (born November 2, 1947) is an American actress, best known for her role as Esther Valentine on The Young and the Restless, which she has played since 1985.
Linder graduated with a BA in theatre arts from San Francisco State University. After graduation, Linder found work on television, including roles on Archie Bunker's Place and Bay City Blues.
She also appeared in the film Rocky III.
In addition to her work on TV, Linder serves as a flight attendant for United Airlines. Linder has been starring on "The Young and the Restless" for almost 25 years and she's also one of two Daytime Governors at the Academy of Television Arts and Sciences (ATAS), who present the Emmys.
Kate Linder is also the national spokesperson for The ALS Association and is active with TV Cares, ATAS's AIDS fundraising and awareness organization, and the Make-a-Wish Foundation.