Mariah Carey
Older Mariah (voice)
Acting
Breanna Yde
Mariah (voice)
Acting
Henry Winkler
Grandpa Bill (voice)
Acting
Lacey Chabert
Penelope (voice)
Acting
Phil Morris
Bud (voice)
Acting
Laya DeLeon Hayes
Vicky (voice)
Acting
Keiko Agena
Emiko (voice)
Acting
Bria Danielle Singleton
Beth (voice) (as Bria Singleton)
Acting
Julian Zane
Ernesto (voice)
Acting
Montse Hernandez
Grace (voice)
Acting
Karim Saleh
Mr. Tyabji (Voice)
Acting
Charlie Adler
Santa (Voice)
Acting
Rachel Eggleston
Holly (Voice)
Acting
Connie Jackson
Grandma Lucy (Voice)
Acting
Michelle Bonilla
Principal Reyes (voice)
Acting