Gunsmoke. October 3, 1952. CBS net. "Cain". Sustaining. Cain Vestal, a quiet man dying of consumption, buys a gun to kill a man he's never met before. Clancey Cassell (announcer), Georgia Ellis, Harry Bartell, Howard McNear, John Meston (writer), Lawrence Dobkin, Parley Baer, William Conrad. oldtimeradiodvd.com