Star of the sitcom That Girl who married talk show host Phil Donahue in 1980.
She graduated from the University of Southern California in 1979, and was a school teacher before deciding to pursue acting.
She started the award-winning children's project Free to Be...You and Me, which started as a record album and illustrated book in 1972 and became an after-school special in 1974.
Her father, Danny Thomas, founded the St. Jude Children's Research Hospital in 1962, and she served as the National Outreach Director.
She co-starred with Rosemary DeCamp in That Girl.