Betty Lynn Buckley (born July 3, 1947) is an American actress and singer who has worked in film, television and theatre. She possesses a singing of voice of great power and beauty and has achieved great success in cabaret and concerts. Betty has also sustained a successful recording career with numerous cast albums and 18 solo albums to her credit, for which she has been nominated for two Grammys. Buckley is widely known for the 1977–81 TV series Eight Is Enough. She joined the show in its second season when the original star, Diana Hyland, d…