 | Emjay Anthony als Max Engel |
 | Adam Scott als Tom Engel |
 | Toni Collette als Sarah Engel |
 | Allison Tolman als Linda |
 | David Koechner als Howard |
 | Stefania LaVie Owen als Beth Engel |
 | Conchata Ferrell als Aunt Dorothy |
 | Luke Hawker als Krampus |
 | Gideon Emery als Krampus (voice) |
 | Ivy George als Cherub |
 | Queenie Samuel als Jordan |
| Sophie Gannon als Hero Dark Elf |
 | Krista Stadler als Omi |
 | Seth Green als Lumpy |
 | Justin Roiland als Clumpy |
 | Breehn Burns als Dumpy |
| Trevor Bau als Dark Elf |
| Maverick Flack als Howie Jnr |
| Felicity Hamill als Dark Elf |
 | Tess Jamieson-Karaha als Wasp Mother |
| Lolo Owen als Stevie |
| Gareth Ruck als Dark Elf |
 | Leith Towers als Derek |
| Chi Jiajia Lim als Extra (uncredited) |
 | Curtis Vowell als DHL Man |
| Michael Dougherty | Writer |
| Michael Dougherty | Director |
| Zach Shields | Writer |
| Todd Casey | Writer |
| John Axelrad | Editor |
| Jules O'Loughlin | Director of Photography |
| Shaun Friedberg | Animation Director |
| Jesse Kobayashi | Visual Effects Producer |
| Richard Muller | Key Hair Stylist |
| Philip Beckner | Digital Intermediate |
| Cathy Sandrich Gelfond | Casting |
| Kate Caldwell | Casting Associate |
| Tony Lamberti | Sound Re-Recording Mixer |
| Kelly Oxford | Supervising Sound Editor |
| Steve Unwin | Still Photographer |
| Christoph Roth | Visual Effects Producer |
| Davina Lamont | Makeup Designer |
| Alex Garcia | Producer |
| Fabiano Petroni | Animation Director |
| Chloe Feodoroff | Visual Effects Coordinator |
| Neil Mayo | Visual Effects Editor |
| Vanessa Younger | Art Department Coordinator |
| Michael Aerni | Animation |
| Brinsley Compton | Armorer |
| Paul Bercovitch | Dialogue Editor |
| Mark Paterson | Sound Re-Recording Mixer |
| Alan Wilson | Rigging Gaffer |
| Andrew AJ Johnson | Additional Camera |
| Sebastien Racine | Visual Effects Producer |
| Kevin Andrew Smith | Visual Effects Supervisor |
| Ben Baudhuin | First Assistant Editor |
| Jon Jashni | Producer |
| Thomas Tull | Producer |
| Alistair Kay | Supervising Art Director |
| Keith O'Hara | Visual Effects Coordinator |
| Margaret Yen | Music Supervisor |
| Danny Bergeron | Visual Effects Producer |
| Marten Coombe | Visual Effects Producer |
| Dan Charbit | Visual Effects Supervisor |
| Brendon Durey | Special Effects Supervisor |
| Drew Nielsen | Visual Effects Coordinator |
| Bob Buck | Costume Design |
| Miranda Rivers | Casting |
| Ross Riege | Additional Photography |
| Michael Dougherty | Producer |
| Oliver Hug | Music Editor |
| Karen Vassar Triest | Sound Designer |
| John Morris | Sound Effects Editor |
| Mathieu Baptista | Makeup Effects |
| Jules Cook | Production Design |
| Peter Afterman | Music Supervisor |
| Kristin Voumard | Script Supervisor |
| Ben Rowsell | First Assistant Camera |
| Sven Harens | Special Effects Supervisor |
| Paul Booth | Costume Supervisor |
| Amanda Mackey | Casting |
| Daniel M. Stillman | Executive Producer |
| Pamela Harvey-White | Associate Producer |
| Douglas Pipes | Original Music Composer |
| Zach Shields | Executive Producer |
| Daniel Birt | Set Decoration |
| Melissa Ririnui | Key Grip |
| Philip Maldonado | Key Costumer |
| Rodney Cook | Stunt Coordinator |
| Tyler Kemp | Carpenter |
| Shaun Bolton | Greensman |
| Phred Palmer | Property Master |
| Aaron Sims | Creature Design |
| Marko Anttonen | Set Designer |
| Jason William Clarke | Painter |
| Kate Thurston | Set Designer |
| Guy Campbell | First Assistant Director |
| Dion Hartley | Key Grip |
| Richard Muller | Hair Department Head |
| Michele Perry | Makeup & Hair |
| Greg Gilbert | Camera Operator |
| Ian Barton | Dolly Grip |
| Adrian Hebron | Best Boy Electric |
| Elizabeth McCarthy | Makeup & Hair |
| Peter Skarratt | First Assistant Editor |
| Jim Marsden | Construction Coordinator |
| Leanne Hoare | Makeup & Hair |
| Natasha Lees | Key Makeup Artist |
| Danny Williams | Chief Lighting Technician |
| Stephen Crene | Painter |
| Dan Horton | Greensman |
| Davina Lamont | Makeup Department Head |
| Gerard Maher | First Assistant "A" Camera |
| Hannah Goldblatt | Key Costumer |
| Jack Binding | Modeling |
| Steven Saunders | Props |
| Christopher Alex Menges | Special Effects |
| Daniel McGraw | Assistant Makeup Artist |
| Sean Foot | Prosthetics |
