Matt Dillon (Gunsmoke) (whose "supposed" origins figured in the very first episode of the radio series), and he often referred to Wild Bill Hickok as being a close personal friend. In the television version (which ran from 1955 until 1975), and subsequent TV-movies (1987 to 1994), Matt was portrayed by James Arness. Since most of the early television episodes were based on stories and scripts from the radio version, Arness's initial interpretation and portrayal was similar to William Conrad's. However, as the television version continued, Arness's Marshal Matt Dillon evolved in a number of ways. In the television version, Dillon became more resigned
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