 | Will Ferrell als Buddy |
 | James Caan als Walter |
 | Bob Newhart als Papa Elf |
 | Ed Asner als Santa |
 | Mary Steenburgen als Emily |
 | Zooey Deschanel als Jovie |
 | Daniel Tay als Michael |
 | Faizon Love als Gimbel's Manager |
 | Peter Dinklage als Miles Finch |
 | Amy Sedaris als Deb |
 | Michael Lerner als Fulton |
 | Andy Richter als Morris |
 | Kyle Gass als Eugene |
 | Artie Lange als Gimbel's Santa |
 | Leon Redbone als Leon the Snowman (voice) |
 | Ray Harryhausen als Polar Bear Cub (voice) |
 | Claire Lautier als NY 1 Reporter |
 | Ted Friend als NY 1 Anchor |
 | Patrick Ferrell als Security Guard |
 | Patrick McCartney als Security Guard |
 | Jon Favreau als Doctor / Mr. Narwhal (voice) |
 | Lydia Lawson-Baird als Carolyn |
 | Brenda McDonald als Nun |
| Annie Brebner als Elf Student |
| Luke Pohl als Elf Student |
 | Meghan Black als Elf |
| Patrick Baynham als Elf |
 | Michael Roberds als Disgruntled Cobbler Elf |
 | Peter A. Hulne als Elf Twin |
| Patrick Hulne als Elf Twin |
 | Richard Side als Elf Teacher |
 | David-Paul Grove als Pom Pom |
 | Kristian Ayre als Foom Foom |
| Lorin Heath als Perfume Clerk |
| Dillard Brinson als Printer |
| Brad Turner als Office Co-Worker |
| David Berenbaum als Office Co-Worker |
 | Brenda Crichlow als Office Co-Worker |
 | Oscar Goncalves als Francisco |
 | Mary Black als Nurse |
| Murray Jack als Man in Elevator |
 | Mark Acheson als Mailroom Guy |
 | Robin Mossley als Chuck |
| Paul Schofield als Kid with Santa |
 | Matt Walsh als Self |
 | Will McCormack als Witness |
| Gus Michael als Witness |
| Alexandra Michael als Child |
| Terry J. Scarlatos als Police Officer |
 | Jonathan Bruce als Biker |
 | Akeem A. Smith als School Kid |
| Michael Christopher Fischetti als School Kid |
| Jane Bradbury als Susan Welles |
 | Peter Billingsley als Ming Ming (uncredited) |
 | John Murray als Man in Elevator |
| Jay Finocchiaro als Passerby (uncredited) |
 | Craig 'Radioman' Castaldo als Radioman (uncredited) |
 | Graeme Duffy als Orange Elf (uncredited) |
 | Maurice LaMarche als Buddy's Belch (uncredited) |
| Rachel Lana Li als Child (uncredited) |
 | Natasha Denis als Gimbels Elf (uncredited) |
 | Dal McKennon als Jack in the Box - Laugh (archive sound) (uncredited) |
| Nance Nickels als Extra in crowd (uncredited) |
| Albert Precourt als Passerby (uncredited) |
 | Joe Ranft als Store Owner (uncredited) |
| Jamie Vergan als Ice skater (uncredited) |
| John Debney | Original Music Composer |
| Greg Gardiner | Director of Photography |
| Laura Jean Shannon | Costume Design |
| Rusty Smith | Production Design |
| Dan Lebental | Editor |
| Cale Boyter | Executive Producer |
| Jon Favreau | Director |
| Gitte Axen | Special Effects Makeup Artist |
| Johanne Hubert | Set Decoration |
| Toby Emmerich | Executive Producer |
| Jay Vinitsky | Post Production Supervisor |
| Geoff Wallace | Set Designer |
| Shauna Robertson | Producer |
| Todd Komarnicki | Producer |
| David Berenbaum | Screenplay |
| Victoria Down | Key Makeup Artist |
| David B. Householter | Unit Production Manager |
| Jimmy Miller | Executive Producer |
| Kent Alterman | Executive Producer |
| Jon Berg | Producer |
| Julie Darmody | Executive Producer |
| Craig Seitz | Compositing Supervisor |
| Stephen Chiodo | Animation Supervisor |
| Kimberly Lowe Voigt | Dialogue Editor |
| Kimberly Lowe Voigt | Supervising ADR Editor |
| William Waring | Camera Operator |
| Scott J. Ateah | Stunt Coordinator |
| Rebeccah Delchambre | Special Effects Makeup Artist |
| Kelly Zombor | Boom Operator |
| G. A. Aguilar | Stunt Coordinator |
| Doug Chapman | Stunts |
| David Mylrea | Stunts |
| James Mazzola | Property Master |
| Owen Walstrom | Stunts |
| Kelvin Humenny | Art Direction |
| Lauren Ritchie | Visual Effects Supervisor |
| Tanya Noel Hill | Music Editor |
| Anthony Milch | Sound Effects Editor |
| Musa Brooker | Animation |
| Jessica Clothier | Script Supervisor |
| Tony Lazarowich | Special Effects Coordinator |
| Jon Taylor | Sound Re-Recording Mixer |
| Jay Mitchell | Set Designer |
| Brad Sherman | Sound Re-Recording Mixer |
| Mickey Gilbert | Second Unit Director |
| Bryan Korenberg | Property Master |
| Joseph B. Conmy IV | Visual Effects Producer |
| Joe Bauer | Visual Effects Supervisor |
| Alan Markfield | Still Photographer |
| Steve Mann | Sound Effects Editor |
| Allan Galajda | Set Designer |
| Douglas Bloom | Visual Effects |
| Angel De Angelis | Key Hair Stylist |
| Ian C. Ballard | First Assistant Hairstylist |
| John Leveque | Supervising Sound Editor |
| Stephen P. Robinson | Sound Effects Editor |
| Christopher Woods | Second Unit Director |
| Erik De Boer | Animation Supervisor |
| James Sarzotti | Key Makeup Artist |
| Donna Bis | First Assistant Hairstylist |
| Carey Toner | Camera Operator |
| Carey Toner | Steadicam Operator |
| Sherry Linder-Gygli | Key Hair Stylist |
| Jeremy Oddo | Animation |
| Justin Mitchell | Animation |
| Bill Westenhofer | Visual Effects Supervisor |
| Teresa Drilling | Animation |
| Brian Dowrick | Animation |
| Hunter Athey | Animation |
| Steve Baker | Animation |
| Troy W. Carrington | Production Office Assistant |
| Giovanni Dulay | Modeling |
| Antoine Durr | Visual Effects |
| Brian Fisher | Compositors |
| Dan Foster | Visual Effects Producer |
| Greg Groenekamp | Compositors |
| Rob Meyers | Animation |
| John Paszkiewicz | Lighting Artist |
| Joe Salazar | Compositors |
| Charles E. McCarry | Art Direction |
| David E. Baron | First Assistant Camera |
| Mark Rodahl | Digital Effects Supervisor |
| Wade Wilson | Sound Designer |
| Doug Lavender | First Assistant Camera |
| David Husby | Sound Mixer |
| Nancy Duggan | Costume Supervisor |
| Victoria Balharry | Art Department Coordinator |
| Patrick Stepien | First Assistant Camera |
| Arthur Jeppe | Visual Effects |
| Penny Gibbs | Unit Production Manager |
| Jim Brebner | First Assistant Director |
| Andrew M. Robinson | Second Assistant Director |
| Amrit Laura Gunhouse | Set Designer |
| Todd Lawley | Set Dresser |
| Kelly Canfield | Set Dresser |
| Barbara Wilson | Assistant Art Director |
| Jennifer Silvertand | Assistant Set Decoration |
