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) he and Matt were making rounds, one on each side of the street. When Matt was attacked in a saloon, Zel heard the commotion and came to his aid. Not expecting his friend, Matt turned, saw a figure with a gun, and shot him. As he died, Zel told Dillon that it wasn't his fault and he couldn't know Zel had crossed the street. Dillon soon after went into a rage, throwing drovers out of saloons and closing down the town. Because of Arness's large (6 foot, 7 inches) physical presence, most of Matt's adversaries seemed overmatched unless there were