John Wayne is one of the biggest icons of the silver screen, and we've picked out the classic cowboy's 10 best roles, based solely on The Duke's performance.

John Wayne's Vietnam War film The Green Berets was backed by the government, portraying a very narrow view of the controversial war.

The Green Berets was John Wayne's most controversial film, as well as a huge critical failure, but a box office success.

No film so perfectly encapsulates the generation gap in America in the '60s than John Wayne 's corny Vietnam War epic, The Green Berets. The genre has reached such a level of ubiquity and cliché ...