Harold Clifford Keel (April 13, 1919 – November 7, 2004), professionally Howard Keel, was an American actor and singer known for his rich bass-baritone singing voice. He starred in a number of MGM musicals in the 1950s, including Show Boat (1951). He played the role of oil baron Clayton Farlow in the television series Dallas from 1981 to 1991. (Via Wikipedia)