Pernell Elven Roberts Jr. was an American stage, film, and television actor, activist, and 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 television series Bonanza (1959–1965), and as chief surgeon Dr. John McIntyre, the title character on Trapper John, M.D. (1979–1986).

Have Gun – Will Travel is an American Western television series that was produced and originally broadcast by CBS on both television and radio from 1957 through 1963. The television version of the series starring Richard Boone was rated number three or number four in the Nielsen ratings every year of its first four seasons.