A struggling musician becomes a 12-year-old musical prodigy's guardian for a summer.
| Actor | Role |
|---|---|
 Leighton MeesterEleanor | Eleanor |
 Debra MessingBarbara | Barbara |
 Billie Joe ArmstrongDennis | Dennis |
 Julian ShatkinReggie | Reggie |
 Georgia X. LifsherSylvia | Sylvia |
 Olga MeredizEsa | Esa |
 J. Smith-CameronMary | Mary |
 Tamara TorresBolia | Bolia |
 Olivia LuccardiShelly | Shelly |
 Darcy FowlerCourtney | Courtney |
 Conor CarrollElliot | Elliot |
 Alfredo NarcisoGreg | Greg |
 Sabrina MachadoKaren | Karen |
 James McCaffreyDale | Dale |
 Julie NathansonFanny | Fanny |
 Amanda BalenAmanda (uncredited) | Amanda (uncredited) |
| HHunter ClowdusPete (uncredited) | Pete (uncredited) |
 Jessica RotterClarice (uncredited) | Clarice (uncredited) |