- Tim Allen Santa Claus / Scott Calvin
- Elizabeth Mitchell Sra. Claus / Carol Calvin
- Judge Reinhold Neil Miller
- Wendy Crewson Laura Miller
- Eric Lloyd Charlie Calvin
- Martin Short Jack Frost
- Spencer Breslin Curtis
- Ann-Margret Sylvia Newman
- Alan Arkin Bud Newman
- Liliana Mumy Lucy Millers
- Kevin Pollak Cupid
- Zach Mills Carpenter Elf
- Aisha Tyler Mother Nature