Older Mariah (voice)

Mariah Carey

Acting

Mariah (voice)

Breanna Yde

Acting

Grandpa Bill (voice)

Henry Winkler

Acting

Vicky (voice)

Laya DeLeon Hayes

Acting

Grace (voice)

Montse Hernandez

Acting

Brett (voice)

Issac Ryan Brown

Acting

Beth (voice)

Bria Danielle Singleton

Acting

Bud (voice)

Phil Morris

Acting

Penelope (voice)

Lacey Chabert

Acting

Santa / Mr. Ingersoll / Dougie’s Dad (voice)

Charlie Adler

Acting

Holly (voice)

Rachel Eggleston

Acting

Ernesto (voice)

Julian Zane

Acting

Mr. Tyabji (voice)

Karim Saleh

Acting

Grandma Lucy (voice)

Connie Jackson

Acting

Emiko (voice)

Keiko Agena

Acting

Jack (voice)

Dee Bradley Baker

Acting

Mrs. Alexander (voice)

Ali Eagle

Acting

Principal Reyes (voice)

Michelle Bonilla

Acting

Michelle (voice)

Monroe Cannon

Acting

Dougie (voice)

Moroccan Cannon

Acting