Norman Macdonnell an anthology series they had done. Their boss at CBS, Harry Ackerman, and other network executives dismissed that title, preferring "Gunsmoke", a program heading that Ackerman himself was credited with conceiving. Once given permission to proceed with "Gunsmoke", Macdonnell began developing a detailed production schedule for the new series' 30-minute episodes and arranging auditions to cast its recurring characters. His and Meston’s "Jeff Spain" soon became United States Marshal Matt Dillon, and veteran voice actor William Conrad was chosen by Macdonnell, Meston, and two other CBS screeners to portray that lead character. Other seasoned actors soon filled the needed regular
Gunsmoke Branch with Mr. Pence (played by Judson Pratt). Subsequently, Miss Kitty transitioned to sole owner. Although early film episodes showed her descending from her second-floor rooms in the saloon with Matt, or showed her or one of her girls leading a cowboy up to those same rooms, these scenes disappeared later on, and viewers were guided to see Miss Kitty just as a kindhearted businesswoman. From 1955 to 1961, "Gunsmoke" was a half-hour show (retitled "Marshal Dillon" in syndication). It then went to an hour-long format. The series was retitled "Gun Law" in the UK. The "Marshal Dillon" syndicated rerun