The Carter Family, Roy Acuff and the Sons of the Pioneers belong to a select group of the earliest and most successful country recording artists. Pioneers spotlights them all doing such signature songs as Keep On the Sunny Side, Wabash Cannonball and Tumbling Tumbleweeds, alongside the influential blue-grass bands of Bill Monroe and Flatt & Scruggs. And when Grandpa Jones stomps through Good Old Mountain Dew, you won't be able to sit down.
| Actor | Role |
|---|---|
 Roy AcuffSelf (archive footage) | Self (archive footage) |
 Eddy ArnoldSelf (archive footage) | Self (archive footage) |
 Lester FlattSelf (archive footage) | Self (archive footage) |
 Grandpa JonesSelf (archive footage) | Self (archive footage) |
 Bill MonroeSelf (archive footage) | Self (archive footage) |
 George MorganSelf (archive footage) | Self (archive footage) |
 Ray PriceSelf (archive footage) | Self (archive footage) |
 Tex RitterSelf (archive footage) | Self (archive footage) |
 Earl ScruggsSelf (archive footage) | Self (archive footage) |
 Carl SmithSelf (archive footage) | Self (archive footage) |
 Hank SnowSelf (archive footage) | Self (archive footage) |