Donna Mills (born Donna Jean Miller on December 11 1940 in Chicago, Illinois) is an American actress who began her career onstage in the late 1950s, but who first gained prominence as ex-nun Laura Donnelly on the soap opera "Love is a Many Splendored Thing" in the 1960s, before playing Michele Lee's conniving sister-in-law Abby Fairgate Cunningham Ewing Sumner on "Knots Landing" for almost a decade in the 1980s. Wikipedia
The definitive Wikipedia entry for Donna Mills. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Donna_Mills