Ten-year-old Gloria and her recently widowed grandfather Bud befriend a mysterious reindeer when the family gather for Christmas. Bud comes to believe that Prancer may actually be magical, but Gloria fears his theory will send him straight to a retirement home.
| Actor | Role |
|---|---|
 James CromwellBud | Bud |
 Darcey EwartGloria | Gloria |
 Sarah-Jane PottsClaire | Claire |
 Aaron McCuskerGerald | Gerald |
 Joseph MillsonFinn Wally | Finn Wally |
 Stephanie Levi-JohnErica | Erica |
 Florisa KamaraHaley | Haley |
 Lucas PersaudTyler | Tyler |
 Jessica BlakeSally | Sally |
| JJim FindleyIffy | Iffy |
 Christopher JeffersTevin | Tevin |
 Holly HayesNancy | Nancy |
 Emiliano SpalettiFamily customer (uncredited) | Family customer (uncredited) |
 Frank WelkerPrancer Vocal Effects (voice) | Prancer Vocal Effects (voice) |