Kathryn decided to become an actress when her mother died of cancer in 1963. Her big break came in thanks to a role she got in Disney World, which led her to Hollywood. Kathryn has been a member of the Steppenwolf Theatre in Chicago. She is best known for her recurring roles in The West Wing, Desperate Housewifes, Joan of Arcadia, and Dharma & Greg.
She passed away at the age of 72 in June 2012 of lung cancer.