. . "Roberts, Pernell"@en . . . . . . "Pernell Elven Roberts, Jr. (May 18, 1928 \u2013 January 24, 2010) was an American stage, film and television actor, as well as a singer. In addition to guest starring in over 60 television series, he was best known for his roles as Ben Cartwright's eldest son Adam Cartwright on the Western TV series Bonanza (1959\u20131965), and as chief surgeon Dr. John McIntyre, the title character on Trapper John, M.D."@en . "Pernell Roberts"@en . "1956Z"^^ . "2001Z"^^ . "1928Z"^^ . "2010Z"^^ . "Roberts, Pernell Elvin"@en . "Pernell Elvin Roberts, Jr."@en . "2010-01-24Z"^^ . "1928-05-18Z"^^ . "Actor" . "2010-01-25Z"^^ .