Directed by
| Galen T. Chu | ... | (as Galen Tan Chu) |
| Karen Disher | ||
Writing Credits (in alphabetical order)
| Yoni Brenner | ... | (written by) |
| Mike Reiss | ... | (written by) |
| Jon Vitti | ... | (written by) |
| Michael J. Wilson | ... | (based on the characters created by) (uncredited) |
Cast (in credits order)
| John Leguizamo | ... | Sid (voice) | |
| Rest of cast listed alphabetically: | |||
| Shane Baumel | ... | Whiny Beaver Boy (voice) | |
| Paul Butcher | ... | Smarty Pants Molehog Boy (voice) | |
 |
Sean Michael Cunningham | ... | Glyptodon Boy (voice) |
| Karen Disher | ... | S'more (voice) | |
| Khamani Griffin | ... | Beaver Son (voice) | |
| John Hawkinson | ... | Beaver Dad (voice) | |
| Maria Lark | ... | Aardvark Girl Cindy (voice) | |
| Emily Osment | ... | Start Girl Claire (voice) | |
| Chris Wedge | ... | Scrat (voice) | |
Produced by
| John C. Donkin | ... | producer |
| Lori Forte | ... | producer |
| Carlos Saldanha | ... | executive producer |
| Chris Wedge | ... | executive producer |
Music by
| Michael A. Levine | ||
Editing by
| Erin Crackel | ||
Casting By
| Dominique Monfery | ||
Art Direction by
| Nash Dunnigan | ||
Set Decoration by
| Melanie Martini | ||
Production Management
| Jeannine Berger | ... | post-production supervisor |
| Jacob Carlson | ... | assistant production manager |
| Ed Corcoran | ... | assistant production manager |
| Maria Criscuolo | ... | production manager |
| Chris DiGiovanni | ... | production manager |
| Chris Kuwata | ... | production manager |
| Angela Callmag Macias | ... | production manager |
| Sean M. Murphy | ... | associate production manager (lighting/paint) |
| Anthony Nisi | ... | production supervisor |
| Puru Patnekar | ... | assistant production accountant |
| Denise L. Rottina | ... | production manager |
| Irka B. Seng-Bloom | ... | production manager |
| Tim Speltz | ... | production leader |
| Oliver Staeubli | ... | production engineer |
| Stephanie Swengel | ... | production manager |
| Daren Tillinger | ... | assistant production manager |
| Fred Weinberg | ... | production manager |
| Patrick Worlock | ... | production supervisor |
Art Department
| Jeff Biancalana | ... | additional storyboard artist |
| Jony Chandra | ... | additional storyboard artist |
| Karen Disher | ... | storyboard artist |
| Nash Dunnigan | ... | set designer |
| William H. Frake III | ... | additional storyboard artist |
| Tom Humber | ... | additional set designer |
| John E. Hurst | ... | storyboard artist (as John Hurst) |
| Thomas Leavitt | ... | previs modeler |
| Moroni | ... | storyboard artist |
| Gareth Porter | ... | lead assembly technical director |
| Chris Siemasko | ... | story animatics |
| Kirk Van Wormer | ... | additional storyboard artist (as Kirk van Wormer) |
| Jamie Williams | ... | fur supervisor |
| Patrick Worlock | ... | production supervisor: Story |
| Rafael Zentil | ... | additional storyboard artist |
Sound Department
| Sean England | ... | foley recordist |
| Johnny Gidcomb | ... | group adr |
| Lora Hirschberg | ... | re-recording mixer |
| Leff Lefferts | ... | assistant supervising sound editor |
| Al Nelson | ... | supervising sound editor |
| Frank Rinella | ... | foley mixer |
| John Roesch | ... | foley artist |
| Dennie Thorpe | ... | foley artist (as Dennie F. Thorpe) |
| Jana Vance | ... | foley artist |
Visual Effects by
| Inna Agujen | ... | assembly technical director |
| Victor Banks | ... | sr. compositor |
| Ian M. Burkard | ... | modeler |
| Dan Cayer | ... | lead compositor: Blue Sky Studios |
| Eldar Cholich | ... | lighting lead |
| Rhett Collier | ... | additional f/x |
| Shaun Cusick | ... | lead character modeler |
| Diana Diriwaechter | ... | materials technical director |
| Mark Edwards | ... | character technical director |
| Kirk Garfield | ... | effects supervisor |
| James Gu | ... | character technical director |
| Michael Kingsley | ... | technical lead |
| Jamie Kirschenbaum | ... | senior effects technical director |
| Alen Lai | ... | senior effects technical director |
| Melanie Martini | ... | set dresser |
| Sean Palmer | ... | effects technical director (as Sean Zebadiah Palmer) |
| James Parente | ... | effects technical director |
| Elvira Pinkhas | ... | effects technical director |
| Gabriel Portnof | ... | senior lighting technical director |
| Matt Roach | ... | effects technical director |
| Gates Roberg-Clark | ... | additional f/x |
| Ari Rubenstein | ... | senior compositor: Blue Sky Studios |
| Andrew Schneider | ... | effects technical director |
| Jon Schroth | ... | lighting technical director |
| Daniel Ken Shimmyo | ... | materials technical director |
| John Siczewicz | ... | finish compositing lead |
| John David Thornton | ... | senior effects animator |
| Paul-Jozef Macoy Torrevillas | ... | lighting technical assistant (as Paul-Jozef Torrevillas) |
| Bryan Useo | ... | lead previs technical director |
| Antelmo Villarreal | ... | assembly technical director |
| Terry Ziegelman | ... | matte painter |
Camera and Electrical Department
| James Gettinger | ... | lighting supervisor |
| Svetla Gressak | ... | senior lighting technical director |
| Jon Schroth | ... | lighting technical director |
Animation Department
| Jeff Beazley | ... | senior workbook layout artist |
| James Bresnahan | ... | senior animator |
| Nick Bruno | ... | animator |
| Robert Cardone | ... | layout supervisor |
| Arden Chan | ... | layout supervisor |
| Andrew Coats | ... | animator |
| Hans Dastrup | ... | animator |
| Rylan Davies | ... | animator |
| Ryan Denniston | ... | animator |
| Aaron DiMunno | ... | final layout artist |
| Paul Downs | ... | animator (as Paul P. Downs) |
| Eric Favela | ... | story artist |
| David Figliola | ... | workbook layout artist |
| Mark C. Harris | ... | animator |
| John E. Hurst | ... | story artist |
| Leif Jeffers | ... | animator |
| Ken Lee | ... | workbook layout artist |
| Alex Li | ... | workbook layout artist |
| Lluis Llobera | ... | animator |
| Wesley Mandell | ... | animator |
| Rich McKain | ... | animator |
| Karyn V.B. Monschein | ... | final layout technical head (as Karin V.B. Monschein) / layout artist (as Karyn Monschein) |
| Juan Carlos Navarro Carrión | ... | senior animator (as Juan Carlos Navarro Carrion) |
| Pete Paquette | ... | animator |
| David S. Peng | ... | animator |
| Amila Puhala | ... | animator |
| Patrik Puhala | ... | animator |
| Mika Ripatti | ... | senior animator |
| Chris Siemasko | ... | story animatics |
| Matthew D. Simmons | ... | animation technican lead |
| Jackie Tarascio | ... | animator (as Jackie Fortin) |
| Gary Telfer | ... | layout artist |
| Kevin Thomason | ... | workbook layout artist |
| David Torres | ... | supervising animator |
| Jessica Torres | ... | senior character animator (as Jessica Sances) |
| Motoko Wada | ... | modeler |
Editorial Department
| Jason Fricchione | ... | editorial manager |
| Amanda Deering Jones | ... | editorial coordinator |
| Kathy Graves Toon | ... | assistant editor (as Kathy Graves) |
| Chad N. Walker | ... | second assistant editor (as Chad Walker) (story department) |
Music Department
| Elin Carlson | ... | chorus |
| Bruce Fowler | ... | orchestrator |
| Rick Giovinazzo | ... | orchestrator |
| Nick Glennie-Smith | ... | conductor |
| Kevin Globerman | ... | digital music recordist |
| Tim Lauber | ... | recordist |
| Mike Meehan | ... | assistant to composer (as Michael T. Meehan) |
| Alan Meyerson | ... | music mixer / music recorder |
| Jasper Randall | ... | vocal contractor |
| Peter Rotter | ... | orchestra contracted by |
| Booker White | ... | music preparation |
| Frank Macchia | ... | music preparation (uncredited) |
Additional Crew
| Jinyi Baird | ... | production coordinator |
| Jacob Carlson | ... | assembly production assistant |
| Kevin Daly | ... | production coordinator (as Kevin R Daly) |
| Lisa Durr | ... | production assistant: design and previs modeling |
| Sharon Flynn | ... | production assistant |
| Brian Grimenstein | ... | production scheduler |
| Miranda Jackson | ... | layout production assistant |
| Erika Maldonado | ... | production assistant |
| Elizabeth Malpelli | ... | production coordinator |
| Melanie Martini | ... | scene assembly technical director |
| Rachel Kate Miller | ... | production coordinator |
| Josh Smeltzer | ... | additional material director |
| Keith Stichweh | ... | additional material director |
| Tansal Arnas | ... | scheduling coordinator (uncredited) |
