The untold truth of "Gunsmoke" features plenty of visiting guest stars, some of whom became very famous in their own right.
"Gunsmoke" produced five television films after ... including Kurt Russell, Harrison Ford, Leslie Nielsen, and "Star Trek" star Leonard Nimoy, whose character was less than enlightened.
Harrison Ford has been a movie star for almost 50 years, but before his big break he would play whatever characters he was told to.