Cathryn Mary Lee Harrison (born 25 May 1959) is an English actress. She is the daughter of the actor and singer Noel Harrison and Sara Lee Eberts and the granddaughter of actor Sir Rex Harrison. Her siblings, Simon and Harriet Harrison are also in the acting profession. Cathryn Harrison has half-siblings from her father's second marriage, Will and Chloe, and an older half-sister Zoe from her mother's first marriage to Carleton John Richard Tufnell. In May 1996 she married Paul Laing.