George Fenneman series, and then with John Stephenson when Dragnet returned to TV in 1967. It was Fenneman's voice which announced, "The story you are about to see is true. The names have been changed to protect the innocent." while Stephenson would be heard at the end of the episode describing the court trials and verdicts. He was the principal commercial announcer for the radio version of "Gunsmoke", and frequently introduced "Matt Dillon" (William Conrad) after the episode to extoll the virtues of L&M or Chesterfield cigarettes. He appeared on screen in the 1951 film "The Thing from Another World" and the
Matt Dillon (Gunsmoke) impatient with others (including his friends and allies). At all times, however, he managed to remain sufficiently in control of his emotions to perform his difficult job capably and impartially. Conrad's Matt would speak frequently of the still-fragile acceptance of law and order on the frontier and he would sometimes determine his course of action based upon what he honestly felt was necessary to preserve its long-term acceptance. In the radio version, Marshal Dillon spoke of actual persons who were well known in the history of the American West, including later Dodge City personage Wyatt Earp and Billy the Kid