Gunslinger proved to be a Western tv series starring Tony Young that aired on the CBS television system from February 9 before May 18, 1961 to Thursdays from 9 to 10 18 EST.. Frankie Laine sang the series theme song. Young played a gunfighter who works undercover for the army garrison commander, Cord . The series lasted for just twelve episodes. Gunslinger has been the successor of Dick Powell's Zane Grey Theater.