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
Matt Dillon (Gunsmoke) to the violent nature of his job, and he was generally less given to brooding about the dangers and tragedies inherent in it. Arness's Matt was somewhat more understanding and tolerant of people's foibles, and he was a bit more intuitive with respect to discerning persons who came to Dodge City with the intention of committing crimes. As Arness's Matt grew older and wiser, he became less inclined to use violence to subdue wrongdoers (plus less an emphasis on violence in later episodes of the series in the late 1960s and 1970s because of national society trends). However, he never