Susan Howard plays "Donna Dowling"
Although she is married to the Governor of Texas "Sam Culver", "Donna Krebbs Dowling" falls in love with "Ray". After her husband's death, she marries him. She is a very independent woman, who does not shy away from conflicts, a trait that"J.R." and also her husband "Ray" notice quite often. "Donna" and "Ray" get divorced due to several problems in their marriage.