Gunsmoke is the longest-running Western TV series and remains a timeless classic 70 years after its debut, setting the benchmark for the genre.

In hindsight, Gunsmoke hit the jackpot when it came to getting some big-time movie stars to appear on the show. Here are 10 noteworthy examples.

Seventy years ago, on September 10, 1955, a gunfighter named Matt Dillon first strode into Dodge City on CBS, Gunsmoke, helping to change the nature of TV Westerns, eventually running for 20 years, ...