Will Ferrell as Buddy

James Caan as Walter

Bob Newhart as Papa Elf

Ed Asner as Santa

Mary Steenburgen as Emily

Zooey Deschanel as Jovie

Daniel Tay as Michael

Faizon Love as Gimbels Manager

Peter Dinklage as Miles Finch

Amy Sedaris as Deb

Michael Lerner as Fulton

Andy Richter as Morris

Kyle Gass as Eugene

Artie Lange as Gimbels Santa

Leon Redbone as Leon the Snowman (voice)

Ray Harryhausen as Polar Bear Cub (voice)

Claire Lautier as NY 1 Reporter

Ted Friend as NY 1 Anchor

Patrick Ferrell as Security Guard

Patrick McCartney as Security Guard

Jon Favreau as Doctor / Mr. Narwhal (voice)

Lydia Lawson-Baird as Carolyn

Brenda McDonald as Nun

Annie Brebner as Elf Student

Luke Pohl as Elf Student

Meghan Black as Elf

Patrick Baynham as Elf

Michael Roberds as Disgruntled Cobbler Elf

Peter A. Hulne as Elf Twin

Patrick Hulne as Elf Twin

Richard Side as Elf Teacher

David-Paul Grove as Pom Pom

Kristian Ayre as Foom Foom

Lorin Heath as Perfume Clerk

Dillard Brinson as Printer

Brad Turner as Office Co-Worker

David Berenbaum as Office Co-Worker

Brenda Crichlow as Office Co-Worker

Oscar Goncalves as Francisco

Mary Black as Nurse

John Murray as Man in Elevator

Mark Acheson as Mailroom Guy

Robin Mossley as Chuck

Paul Schofield as Kid with Santa

Matt Walsh as Matt Walsh

Will McCormack as Witness

Gus Michael as Witness

Alexandra Michael as Child

Terry J. Scarlatos as Police Officer

Jonathan Bruce as Biker

Akeem A. Smith as School Kid

Michael Christopher Fischetti as School Kid

Jane Bradbury as Susan Welles

Peter Billingsley as Ming Ming (uncredited)

Jay Finocchiaro as Passerby (uncredited)

Craig 'Radio Man' Castaldo as Radioman (uncredited)

Graeme Duffy as Orange Elf (uncredited)

Maurice LaMarche as Buddy's Belch (voice) (uncredited)

Rachel Lana Li as Child (uncredited)

Natasha Denis as Gimbels Elf (uncredited)

Nance Nickels as Extra in crowd (uncredited)

Albert Precourt as Passerby (uncredited)

Joe Ranft as Store Owner (uncredited)

Jamie Vergan as Ice skater (uncredited)

Max Favreau as Young Buddy (uncredited)