He was known for his roles in other Western films and television shows, such as:
* "Deliverance" (1972)
* "The Longest Yard" (1974)
* "Smokey and the Bandit" (1977)
* "The Dukes of Hazzard" (1979-1985)
* "Evening Shade" (1990-1994)
While he never appeared in "Gunsmoke," it's understandable why you might think he did. He was a prominent figure in Western entertainment and had a long and successful career.