Before Harrison Ford was a massive star of movies like 'Star Wars', 'Indiana Jones', and 'Blade Runner', he started out in many small, uncredited roles.

The untold truth of "Gunsmoke" features plenty of visiting guest stars, some of whom became very famous in their own right.

For a man who feverishly safeguards his privacy, Harrison Ford sure is one of the most famous ... more than minor roles in ...