Grojband follows Corey and his three best friends, Laney and twin brothers Kin and Kon, as they work to propel their garage band to international stardom.
- Ricardo Huntardo as Corey Riffin
- Soni Bringas as Laney Penn
- Chandler Canterbury as Kin Kujira
- Robert Capron as Kon Kujira
- Dove Cameron as Trina Riffin
- Elle Fanning as Mina Beff
- TBA as Nick Mallory
- TBA as Buzz Newsworthy
- TBA as Chance Happening
- Alyssa de Biosblanc as Kate Persky
- Avery Phillips as Allie Day
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