Special Guest Stars Jack McBrayer voices Blitzen Neil Flynn voices Donner Guest Stars Matilda Lawler as Betty Isabella Bennett as Edie Liam Kyle as Gary Sasha Knight as Crouton Ruby Jay as Riley Drexen Mia Lynn Bangunan as Pontoon Serenity Garcia as Valeria Juan Carlos Cantu as Alfonso Co Starring Caleb Williams as Jayden Marcel Nahapetian as Maurice (Barber Elf) Oscar Reyez as Bad Guy Elf
