John Meston and refined the main characters who would populate his and Macdonnell's radio portrayal of Dodge. Jeff Spain soon became United States Marshal Matt Dillon, and veteran voice actor William Conrad was chosen by Meston, Macdonnell, and two other network audition judges to be the lawman and the series' central figure. Other seasoned actors filled the needed regular supporting roles, including Parley Baer as Marshal Dillon's trusty assistant Chester Proudfoot, Howard McNear as Dr. Charles "Doc" Adams, and Georgia Ellis, whose role in the series' early episodes would quickly evolve into the saloon "hostess" Kitty Russell. "Gunsmoke" was broadcast for the
Gunsmoke and any time." The television series ran for 20 seasons from 1955 to 1975, and lasted for 635 episodes. At the end of its run in 1975, "Los Angeles Times" columnist Cecil Smith wrote: ""Gunsmoke" was the dramatization of the American epic legend of the west. Our own "Iliad" and "Odyssey", created from standard elements of the dime novel and the pulp Western as romanticized by [Ned] Buntline, [Bret] Harte, and [Mark] Twain. It was ever the stuff of legend." In the late 1940s, CBS chairman William S. Paley, a fan of the "Philip Marlowe" radio serial, asked his programming