Frontier Gentleman was a radio Western series heard on CBS from February 2 to November 16, 1958. (47'50) FRONTIER GENTLEMAN starring John Dehner.   Jesse James Parts 1 and 2 aired July 1958 on CBS Radio. Frontier Gentleman was one of several "adult westerns," along with Gunsmoke (1952–1961), Luke Slaughter of Tombstone and others, that appeared on radio and television in the early 1950s..