Season Twelve of Gunsmoke aired on CBS from September 17th, 1966 to April 15th, 1967, spanning a total of twenty-nine episodes. This seasons featured actor James Arness reprising the role of Marshal Matt Dillon for the sixteenth year in a row. He is accompanied by actors Milburn Stone as Doctor Galen "Doc" Adams, Amanda Blake as Kitty Russell, Ken Curtis as Festus Haggen and Buck Taylor as Newly O'Brien - all of whom have appeared in previous seasons.
