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 they were little more than token efforts—especially in Conrad's case, due to his obesity. However, Meston was kept as the main writer. In the early years, a majority of the TV episodes were adapted from the radio scripts, often using identical scenes and dialogue. Dunning wrote, "That radio fans considered the TV show a sham and its players impostors should surprise no one. That the TV show was not a sham is due in no small part to the continued strength of Meston's scripts." Macdonnell and Meston continued the radio version of "Gunsmoke" until 1961, making it one of the