 Lana CondorRuby Gillman (voice) | Ruby Gillman (voice) |
 Toni ColletteAgatha Gillman (voice) | Agatha Gillman (voice) |
 Annie MurphyChelsea Van Der Zee (voice) | Chelsea Van Der Zee (voice) |
 Sam RichardsonUncle Brill (voice) | Uncle Brill (voice) |
 Liza KoshyMargo (voice) | Margo (voice) |
 Will ForteGordon Lighthouse (voice) | Gordon Lighthouse (voice) |
 Colman DomingoArthur Gillman (voice) | Arthur Gillman (voice) |
 Jaboukie Young-WhiteConnor (voice) | Connor (voice) |
 Blue ChapmanSam Gillman (voice) | Sam Gillman (voice) |
 Ramona YoungBliss (voice) | Bliss (voice) |
 Eduardo FrancoTrevin (voice) | Trevin (voice) |
 Jane FondaGrandmamah (voice) | Grandmamah (voice) |
 Nicole ByerJanice (voice) | Janice (voice) |
 Echo KellumDoug (voice) | Doug (voice) |
 Brianna ArsementHome Buyer (voice) | Home Buyer (voice) |
 Juju GreenGym Teacher / Coach (voice) | Gym Teacher / Coach (voice) |
 Preston ArsementTourist (voice) | Tourist (voice) |
| JJordan MatterSchool Principal (voice) | School Principal (voice) |
 Ricardo HurtadoStudent #1 / Student #10 (voice) | Student #1 / Student #10 (voice) |
 Randy ThomConfetti Cannon (voice) | Confetti Cannon (voice) |
| TTiffany WuStudent #7 (voice) | Student #7 (voice) |
 Merk NguyenStudent #6 / Student #9 (voice) | Student #6 / Student #9 (voice) |
| SSydney BellStudent #5 / Student #8 (voice) | Student #5 / Student #8 (voice) |
 Atticus ShaindlinTopher (voice) | Topher (voice) |
 Lynnanne ZagerPhone Voice (voice) | Phone Voice (voice) |
| KKaren FosterSchool Librarian (voice) | School Librarian (voice) |
| CCaleb PierceStudent #3 (voice) | Student #3 (voice) |
| QQalil IsmailStudent #2 (voice) | Student #2 (voice) |
 Suzanne BuirgyCarol (voice) | Carol (voice) |
 Emma ChamberlainReporter (voice) | Reporter (voice) |
