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
William Conrad Dundy in the NBC radio series "The Adventures of Sam Spade" (1949–50); boss to government special agent Douglas Fairbanks Jr. in "The Silent Men" (NBC 1951); and a New Orleans bartender in the NBC adventure drama "Jason and the Golden Fleece" (1952–53). Most prominently, Conrad's deep, resonant voice was heard in the role of Marshal Matt Dillon on CBS Radio's gritty Western series "Gunsmoke" (April 26, 1952 – June 18, 1961). The producers originally rejected him for the part because of his ubiquitous presence on so many radio dramas and the familiarity of his voice, but his impressive audition could