A grieving father in a downward spiral stumbles across a box of his recently deceased son's demo tapes and lyrics. Shocked by the discovery of this unknown talent, he forms a band in the hope of finding some catharsis.
| Actor | Role |
|---|---|
 Billy CrudupSam Manning | Sam Manning |
 Anton YelchinQuentin | Quentin |
 Felicity HuffmanEmily | Emily |
 Selena GomezKate Lucas | Kate Lucas |
 Miles HeizerJosh Manning | Josh Manning |
| AAlexandra LovelaceMary Beth | Mary Beth |
 Laurence FishburneDel | Del |
 William H. MacyTrill | Trill |
 Kate MicucciPeaches | Peaches |
 Zoe GrahamLizzie | Lizzie |
 Suzanne KrullBertie Dupree | Bertie Dupree |
 Chandler RyanApril | April |
 Peter SpruytAlaird | Alaird |
 Jamie ChungLisa Martin | Lisa Martin |
 Ryan DeanAiken | Aiken |
| BBen KwellerWillie | Willie |
| PParke ArnoldInterviewed College Student (uncredited) | Interviewed College Student (uncredited) |