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
Siobhan Dillon West End. She commented about her new role in a London theatre interview. The official press night for the new cast took place 28 February. Dillon and co-star Mark Evans (who plays Sam Wheat) appeared on "Live With Gabby" on 7 March 2012. In June 2012, it was announced that "Ghost" was to give its final curtain on 6 October 2012. It shuttered that day, with Dillon closing out the show as Molly. In 2013, she reprised her role as Sally Bowles in the revised UK tour of "Cabaret", starring alongside Matt Rawle and Will Young. On 11 May 2015,