I had the opportunity to interview Stone - well, I was one of many journalists who talked to him press-conference style - in Chicago in . But Ron Howard made a guest appearance on "Gunsmoke" before starring in the hit series "Happy Days." Of course, these days Howard is known more for his work behind the camera. Home Howard Morris Net Worth | Wife & Cause of Death. Learn more about the full cast of Gunsmoke with news, photos, videos and more at TV Guide. He was played by Howard Morris. In 2010, David Morris, his son, released his debut modern rock album, named Picture An Accident. It was dedicated to his father. He appeared in many films