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
Ken Curtis appeared as muleskinner Graydon in the episode "Graydon's Charge" of the syndicated Western television series, "Death Valley Days", also guest starred Denver Pyle and Cathy Lewis. Curtis remains best known for his role as Festus, the scruffy, cantankerous, and illiterate deputy in "Gunsmoke." While Marshal Matt Dillon had a total of five deputies over two decades, Festus held the role the longest (11 years), in 304 episodes. Festus was patterned after "Cedar Jack" (Frederick Munden), a man from Curtis' Las Animas childhood. Cedar Jack, who lived 15 miles south of town, made a living cutting cedar fence posts. Curtis observed