A shy teenager living on the Isle of Wight dreams of pop stardom. With the help of an unlikely mentor, she enters a singing competition that will test her integrity, talent, and ambition.
| Actor | Role |
|---|---|
 Elle FanningViolet Valenski | Violet Valenski |
 Zlatko BurićVladimir Brajkovic | Vladimir Brajkovic |
 Rebecca HallJules | Jules |
 Agnieszka GrochowskaMaria Valenski | Maria Valenski |
 Millie BradyAnastasia | Anastasia |
 Ruairí O'ConnorKeyan Spears | Keyan Spears |
 Archie MadekweLuke | Luke |
 Clara RugaardRoxy | Roxy |
 RizhaAngel X | Angel X |
 Olive GrayLisa | Lisa |
 Ria ZmitrowiczHayley | Hayley |
 Jordan StephensRollo | Rollo |
 Vivian OparahKelli | Kelli |
 Richard LeemingYuriy | Yuriy |
 Andrew EllisRoger | Roger |
| UUrsula HollidayLouise | Louise |
 Stephen BoxerPriest | Priest |
 Johnny VaughanTeen Spirit Emcee | Teen Spirit Emcee |
 Danny DyerTV Dad | TV Dad |
 Dani DyerTV Daughter | TV Daughter |
 Daisy LoweTeen Spirit Host | Teen Spirit Host |
 Marius de VriesMarcus | Marcus |
 Elizabeth BerringtonLorene | Lorene |
 John LockeGary the Bartender | Gary the Bartender |
 Sofia AbbasiPress - Hotel Guest | Press - Hotel Guest |