Kathryn Hays: Kathryn Hays. Actress: As the World Turns. American actress Kathryn Hays became best known for her 38-year long stint as the fiery matriarch Kim Sullivan Hughes, one of the most prominent characters on the daytime soap As the World Turns (1956). She was born Kay Piper in Princeton and grew up Joliet, Illinois. After junior college, she attended the prestigious Northwestern University in Evanston. Though her career began as a...