Will Ferrell
Buddy
James Caan
Walter
Bob Newhart
Papa Elf
Ed Asner
Santa
Mary Steenburgen
Emily
Zooey Deschanel
Jovie
Daniel Tay
Michael
Faizon Love
Gimbels Manager
Peter Dinklage
Miles Finch
Amy Sedaris
Deb
Michael Lerner
Fulton
Andy Richter
Morris
Kyle Gass
Eugene
Artie Lange
Gimbels Santa
Leon Redbone
Leon the Snowman (voice)
Ray Harryhausen
Polar Bear Cub (voice)
Claire Lautier
NY 1 Reporter
Ted Friend
NY 1 Anchor
Patrick Ferrell
Security Guard
Patrick McCartney
Security Guard
Jon Favreau
Doctor / Mr. Narwhal (voice)
Lydia Lawson-Baird
Carolyn
Brenda McDonald
Nun
Annie Brebner
Elf Student
Luke Pohl
Elf Student