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
Matt Dillon (Gunsmoke) first episode was introduced by John Wayne in a brief film clip in which Wayne predicted that James Arness would become a major star. He went on to play the part for the next twenty years. A popular story holds that Wayne himself had been offered the part and had turned it down. Charles Marquis Warren, who produced the first year of the television version of "Gunsmoke" and made the major casting decisions, stated that he had jokingly asked Wayne whether he would be interested in the part in a casual social setting. He added that Wayne had indicated in