For Ada and Piper Spencer, singing is as natural as breathing. Blessed with talent and determination, these sisters hope to fulfill their dream of performing on the stages of Nashville. But there's a family secret the girls never knew.
| Actor | Role |
|---|---|
 Amanda DetmerElizabeth Spencer | Elizabeth Spencer |
 Laura Bell BundyMarq Dunn | Marq Dunn |
 Ronny CoxCJ Simms | CJ Simms |
 Willie NelsonHimself | Himself |
 Cozi ZuehlsdorffPiper Spencer | Piper Spencer |
 Matthew BarnesDeclan Martino | Declan Martino |
 Myra TurleyMeemaw | Meemaw |
 Lawrence TurnerHenry Monroe | Henry Monroe |
 Jerri TubbsShula Sloan | Shula Sloan |
 Kaitlyn BauschAda Spencer | Ada Spencer |
 Lori CampbellVA Nurse | VA Nurse |
| DDara SisterhenJustine Sloan | Justine Sloan |
 David ShiflettUS Veteran | US Veteran |
 Lory Tom Thompson Sr.Disabled Vet | Disabled Vet |
| DDaniel WilliamsonDeclan Martino Guitar Player | Declan Martino Guitar Player |
| EEdward Rashad SmithDeclan Martino Drummer | Declan Martino Drummer |
 Michael HickenbottomTed | Ted |