Based on Mariah Carey’s hit 1994 single, it features a voice cast that includes Breanna Yde as little Mariah, Henry Winkler as Grandpa Bill, Lacey Chabert as Mariah’s mother, Phil Morris as Mariah’s father, Laya Hayes, as Mariah’s friend Vicky, and Keiko Agena as the pet adoption facilitator Emiko; watch it below after the official synopsis…