Ken, Gil, Hezzie and Gabe are members of the Country & Western band 'The Hoosier Hotshots'. They get involved with the beautiful Margie MacGregor, the scheming villain Pamela Trent and horse races. The Hoosier Hotshots discover that a horse will trot like a champion only when he hears a march played on a washboard.
| Actor | Role |
|---|---|
 Gloria HenryMargie MacGregor | Margie MacGregor |
| SStuart HartBill Nolan | Bill Nolan |
 Elinor DonahueToni MacGregor | Toni MacGregor |
 June VincentPamela Trent | Pamela Trent |
| DDorothy PorterDorothy Porter | Dorothy Porter |
 Douglas FowleyHoward, the Horse Trainer | Howard, the Horse Trainer |
 Syd SaylorSheriff Dibble | Sheriff Dibble |
 Eddy WallerBoggs | Boggs |
 Pierre WatkinHorse Vet | Horse Vet |
 Dick ElliottRealtor | Realtor |
| TThe Hoosier HotshotsMusicians | Musicians |