 | John Goodman als Sullivan (voice) |
 | Billy Crystal als Mike (voice) |
 | Mary Gibbs als Boo (voice) |
 | Steve Buscemi als Randall (voice) |
 | James Coburn als Waternoose (voice) |
 | Jennifer Tilly als Celia (voice) |
 | Bob Peterson als Roz (voice) |
 | John Ratzenberger als Yeti (voice) |
 | Frank Oz als Jeff Fungus (voice) |
 | Daniel Gerson als Needleman / Smitty (voice) |
 | Steve Susskind als Floor Manager (voice) |
 | Bonnie Hunt als Flint (voice) |
 | Jeff Pidgeon als Bile (voice) |
 | Samuel Lord Black als George (voice) |
 | Jack Angel als Additional Voices (voice) |
 | Bob Bergen als Additional Voices (voice) |
 | Rodger Bumpass als Additional Voices (voice) |
 | Gino Conforti als Additional Voices (voice) |
 | Jennifer Darling als Additional Voices (voice) |
 | Patti Deutsch als Additional Voices (voice) |
 | Pete Docter als Additional Voices (voice) |
 | Bobby Edner als Additional Voices (voice) |
 | Ashley Edner als Additional Voices (voice) |
| Katie Scarlett als Additional Voices (voice) |
 | Paul Eiding als Additional Voices (voice) |
 | Bill Farmer als Additional Voices (voice) |
| Keegan Farrell als Additional Voices (voice) |
 | Pat Fraley als Additional Voices (voice) |
 | Teresa Ganzel als Additional Voices (voice) |
| Taylor Gifaldi als Additional Voices (voice) |
 | Marc John Jefferies als Additional Voices (voice) |
 | Joe Lala als Additional Voices (voice) |
 | Noah Luke als Additional Voices (voice) |
 | Sherry Lynn als Additional Voices (voice) |
 | Danny Mann als Additional Voices (voice) |
 | Mona Marshall als Additional Voices (voice) |
 | Mickie McGowan als Additional Voices (voice) |
 | Laraine Newman als Additional Voices (voice) |
 | Kay Panabaker als Additional Voices (voice) |
 | Bret Parker als Additional Voices (voice) |
 | Phil Proctor als Additional Voices (voice) |
 | Josh Qualtieri als Additional Voices (voice) |
 | Guido Quaroni als Additional Voices (voice) |
 | Jan Rabson als Additional Voices (voice) |
 | Lisa Raggio als Additional Voices (voice) |
 | Joe Ranft als Additional Voices (voice) |
| Sophia Ranft als Additional Voices (voice) |
| Katherine Ringgold als Additional Voices (voice) |
| Bob Scott als Additional Voices (voice) |
 | David Silverman als Additional Voices (voice) |
| Jim Thornton als Additional Voices (voice) |
 | Lee Unkrich als Additional Voices (voice) |
 | Wallace Shawn als Rex (voice) (uncredited) |
 | Dom DeLuise als Narrator (voice) |
| Darla K. Anderson | Producer |
| John Lasseter | Executive Producer |
| Andrew Stanton | Executive Producer |
| Jill Culton | Original Story |
| Jeff Pidgeon | Original Story |
| Ralph Eggleston | Original Story |
| Andrew Stanton | Screenplay |
| Jim Stewart | Editor |
| Thomas Porter | Supervising Technical Director |
| Harley Jessup | Production Design |
| Bob Pauley | Production Design |
| Tia W. Kratter | Art Direction |
| Dominique Louis | Art Direction |
| Glenn McQueen | Supervising Animator |
| Rich Quade | Supervising Animator |
| Jean-Claude Kalache | Lighting Supervisor |
| Rick Sayre | Shading |
| Sophie Vincelette | Set Dressing Supervisor |
| Gary Rydstrom | Sound Designer |
| Katherine Sarafian | Production Supervisor |
| Ruth Lambert | Casting |
| Mary Hidalgo | Casting |
| Jonas Rivera | Art Department Manager |
| Bryn Imagire | CG Painter |
| Glenn Kim | CG Painter |
| Laura Phillips | CG Painter |
| Paul Mica | CG Painter |
| Jamie Frye | CG Painter |
| Phaedra Craig | CG Painter |
| Yvonne Herbst | CG Painter |
| Robin Cooper | CG Painter |
| Mark Cordell Holmes | Production Artist |
| Jason Deamer | Production Artist |
| Randy Berrett | Production Artist |
| Paul Mica | Production Artist |
| David Hong | Production Artist |
| Gary Schultz | Production Artist |
| Albert Lozano | Production Artist |
| Nathaniel McLaughlin | Production Artist |
| Glenn Kim | Production Artist |
| Bud Thon | Production Artist |
| Lawrence Marvit | Production Artist |
| Jerome Ranft | Sculptor |
| Norm DeCarlo | Sculptor |
| Geefwee Boedoe | Visual Development |
| Ricky Nierva | Visual Development |
| Lou Romano | Visual Development |
| Carter Goodrich | Visual Development |
| Kevin Hawkes | Visual Development |
| J. Otto Seibold | Visual Development |
| Ralph Eggleston | Visual Development |
| Jill Culton | Visual Development |
| Nico Marlet | Visual Development |
| Peter DeSève | Visual Development |
| Oscar Grillo | Visual Development |
| Bud Luckey | Visual Development |
| Lane Smith | Visual Development |
| Chris Ure | Visual Development |
| Jay Ward | Art Department Coordinator |
| Andrea Warren | Art Department Coordinator |
| Nick Vlahos | Art Department Assistant |
| Shawn Brennan | Sequence Leads |
| Gregg Olsson | Sequence Leads |
| Derek Williams | Sequence Leads |
| Trish Carney | Set Dressing Manager |
| Ellen Moon Lee | Set Dressing Artist |
| Phat Phuong | Set Dressing Artist |
| Dan Sukiennik | Set Dressing Artist |
| Elizabeth Tobit | Set Dressing Artist |
| David Eisenmann | Set Dressing Artist |
| Mark Sanford | Set Dressing Artist |
| Jessica Hutchison | Set Dressing Production Assistant |
| Sarah Jo Helton | Animation Manager |
| Doug Sweetland | Animation Director |
| Scott Clark | Animation Director |
| Kyle Balda | Animation |
| Stephen Barnes | Animation |
| Michael Berenstein | Animation |
| Brett Coderre | Animation |
| Ricardo Curtis | Animation |
| Doug Dooley | Animation |
| Andrew Gordon | Animation |
| Jimmy Hayward | Animation |
| Nancy Kato | Animation |
| Shawn Krause | Animation |
| Angus MacLane | Animation |
| Alan Barillaro | Animation |
| Bobby Beck | Animation |
| Tim Crawfurd | Animation |
| David DeVan | Animation |
| Ike Feldman | Animation |
| Stephen Gregory | Animation |
| John Kahrs | Animation |
| Karen Kiser | Animation |
| Wendell Lee | Animation |
| Daniel Mason | Animation |
| Amy McNamara | Animation |
| Billy Merritt | Animation |
| James Ford Murphy | Animation |
| Victor Navone | Animation |
| Bobby Podesta | Animation |
| Brett Pulliam | Animation |
| Robert H. Russ | Animation |
| Andrew L. Schmidt | Animation |
| Patty Kihm Stevenson | Animation |
| David Tart | Animation |
| Jon Mead | Animation |
| Dave Mullins | Animation |
| Peter Nash | Animation |
| Bret Parker | Animation |
| Sanjay Patel | Animation |
| Jeff Pratt | Animation |
| Gini Cruz Santos | Animation |
| Alan Sperling | Animation |
| Ross Stevenson | Animation |
| J. Warren Trezevant | Animation |
| Michael Venturini | Animation |
| Adam Wood | Animation |
| Tasha Wedeen | Animation |
| Kureha Yokoo | Animation |
| Ron Zorman | Animation |
| Paul Mendoza | Fix Animator |
| Jenni Tsoi | Animation Department Coordinator |
| Kathleen Relyea | Animation Fix Coordinator |
| Gabrielle Siegel | Animation Production Assistant |
| Marcia Gwendolyn Jones | Editorial Manager |
| Ken Schretzmann | Second Film Editor |
| Lee Unkrich | Additional Editing |
| Katherine Ringgold | Additional Editing |
| Torbin Xan Bullock | First Assistant Editor |
| Luis Alvarez y Alvarez | Additional Editorial Assistant |
| Jack Curtis Dubowsky | Additional Editorial Assistant |
| Hoon H. Kim | Editorial Coordinator |
| Renee Steen | Editorial Production Assistant |
| Atsuko Yamagishi | Editorial Production Assistant |
| Deirdre Warin | Modeling |
| Eliot Smyrl | Modeling |
| Brian Green | Modeling |
| Christian Hoffman | Modeling |
| Mark Adams | Modeling |
| James Bancroft | Modeling |
| Paul Aichele | Modeling |
| Jason Bickerstaff | Modeling |
| Andrew Schmidt | Modeling |
| Bill Sheffler | Modeling |
| Kim White | Modeling |
| Christine Waggoner | Modeling |
| Sue Maatouk-Kalache | Shading |
| Daniel McCoy | Shading |
| Ben Jordan | Shading |
| Anthony A. Apodaca | Shading |
| James Bancroft | Shading |
| Byron Bashforth | Shading |
| David Batte | Shading |
| Gina Trbovich-Malewicz | Shading |
| Mark Nielsen | Lighting Manager |
| Janet Lucroy | Directing Lighting Artist |
| Joyce Powell | Directing Lighting Artist |
| Lauren Alpert | Master Lighting Artist |
| Scott Clifford | Master Lighting Artist |
| Kim White | Master Lighting Artist |
| Tim Best | Lighting Artist |
| Chad Belteau | Lighting Artist |
| Elizabeth Gonzales-Guerra | Lighting Production Assistant |
| Steve May | Sequence Supervisor |
| Brad Andalman | Software Team Lead |
| Rob Cook | Software Team Lead |
| Bena Currin | Software Team Lead |
| Thomas Hahn | Software Team Lead |
| John Alex | Software Engineer |
| Ronen Barzel | Software Engineer |
| Tom Duff | Software Engineer |
| Brad West | Software Engineer |
| Ian Buono | Documentation & Support |
| Tom Deering | Documentation & Support |
| Perrin Cutting | Camera Department Manager |
| Louis Rivera | Camera Supervisor |
| Drew Rogge | Machinist |
| Don Conway | Camera Technician |
| David DiFrancesco | Photoscience Manager |
| Beth Sullivan | Department Administrator |
| Catherine Roehl | Production Accountant |
| Tricia Andres | Production Office Coordinator |
| Arik Ehle | Production Office Assistant |
| Erik Forman | Information Systems Manager |
| Paul Cichocki | Post Production Supervisor |
| John Hazelton | Projection |
| Courtney Bergin | Post Production Assistant |
| Doc Kane | Sound Editor |
| Michael Silvers | Supervising Sound Editor |
| Shannon Mills | Sound Effects Editor |
| Jana Vance | Foley |
| Dee Selby | Sound Design Assistant |
| Bruno Coon | Music Editor |
| Brenda Heins | Sound Editor |
| Robert Taylor | Finance |
| Michael Parks | Animation |
| Jon Childress Farmer | Set Dresser |
| Pete Docter | Original Story |
| Matthew Jon Beck | Casting |
| Bahram Hooshmand | Production Coordinator |
| Greg Snyder | Assistant Editor |
| Mark Yeager | Assistant Editor |
| Robert Grahamjones | Editor |
| Daniel Gerson | Screenplay |
| Karen Dufilho-Rosen | Co-Producer |
| Kori Rae | Associate Producer |
| Randy Newman | Original Music Composer |
| Dylan Brown | Animation |
| Patrick Lin | Animation |
| Bob Whitehill | Visual Effects Supervisor |
| Nicole Paradis Grindle | Simulation & Effects Artist |
| Tom MacDougall | Music Supervisor |
| LeighAnna Frostad | Key Hair Stylist |
| Tony Basso | Security |
| Jessica Donohoe | Script Coordinator |
| Chris DeLaGuardia | Color Timer |
| Bruce Nachbar | Production Manager |
| Jonathan Sacks | Orchestrator |
| Frank Wolf | Scoring Mixer |
| Dan Lee | Visual Effects |
| Nils Erdmann | Finance |
| Jeremy Lasky | Layout |
| Chris Vallance | Assistant Editor |
| Ethan Owen | Production Coordinator |
| Susan Bradley | Title Designer |
| Mary Beth Smith | Negative Cutter |
| Morten Folmer Nielsen | ADR Editor |
| Lindakay Brown | Foley Editor |
| George Doering | Musician |
| Bud Luckey | Character Designer |
| Bob Peterson | Additional Writing |
| David Silverman | Additional Writing |
| Joe Ranft | Additional Writing |
| Robert L. Baird | Additional Writing |
| Rhett Reese | Additional Writing |
| Jonathan Roberts | Additional Writing |
| Kent Brown | Temp Sound Editor |
| Patrick Wilson | Production Artist |
| Derek Casari | Sound Engineer |
| Stephen Kearney | Sound Effects Editor |
| Gary Summers | Sound Re-Recording Mixer |
| Karen G. Wilson | Foley Editor |
| John Countryman | Digital Intermediate |
| Brian Boyd | Master Lighting Artist |
| Jenna Capozzi | Simulation & Effects Production Assistant |
| Onny P. Carr | Lighting Artist |
| Onny P. Carr | Modeling |
| Larry Cutler | Modeling |
| Lars R. Damerow | Shading |
| Cynthia Dueltgen | Modeling |
| Nousha Emami | Chief Lighting Technician |
| Jay Faulkner | Lighting Artist |
| Michael Fong | Modeling |
| Michael Fong | Simulation & Effects Production Assistant |
| Michael Fu | Shading |
| Patrick Guenette | Visual Effects Technical Director |
| Christina Haaser | Lighting Artist |
| Thane Hawkins | Lighting Artist |
| Daniel Herman | Additional Effects Development |
| Cindy Hong | Lighting Artist |
| Sangwoo Hong | Modeling |
| Steven James | Lighting Artist |
| Jongo | Layout |
| Thomas Jordan | Shading |
| Thomas Jordan | Simulation & Effects Artist |
| Michael Kass | Software Engineer |
| Michael Kilgore | Simulation & Effects Artist |
| Jae Hong Kim | Lighting Artist |
| Lisa Kim | Lighting Artist |
| Lisa Kim | Modeling |
| Michael R. King | Lighting Artist |
| Michael R. King | Shading |
| Stephen King | Shading |
| Stephen King | Modeling |
| Kristifir Klein | Chief Lighting Technician |
| Sonoko Konishi | Modeling |
| Ivo Kos | Lighting Artist |
| Ivo Kos | Modeling |
| Ana Lacaze | Lighting Artist |
| Ana Lacaze | Shading |
| Ken Lao | Additional Effects Development |
| Michael Lorenzen | Modeling |
| Felix Mendoza | Lighting Artist |
| Tom Miller | Shading |
| Tim Milliron | Modeling |
| Josh Minor | Software Engineer |
| Amy Moran | Lighting Artist |
| Carmen Ngai | Lighting Artist |
| Martin Nguyen | Simulation & Effects Artist |
| Mirjana Nikolic | Shading |
| Kelly O'Connell | Modeling |
| Kelly O'Connell | Lighting Artist |
| Eileen O'Neill | Master Lighting Artist |
| Keith Olenick | Shading |
| Brandon Onstott | Shading |
| David Orecklin | Simulation & Effects Production Assistant |
| Eben Ostby | Character Modelling Supervisor |
| Jack Paulus | Sequence Supervisor |
| Seth Piezas | Lighting Artist |
| John Singh Pottebaum | Modeling |
| Mitch Prater | Shading |
| Guido Quaroni | 3D Modeller |
| Joshua Reiss | Modeling |
| Brian M. Rosen | Shading |
| Dale Ruffolo | Master Lighting Artist |
| Dale Ruffolo | Modeling |
| Yun Shin | Layout |
| Keith Stichweh | Simulation & Effects Artist |
| Jerome Strach | Systems Administrators & Support |
| Peter Sumanaseni | Lighting Artist |
| Galyn Susman | Simulation & Effects Production Assistant |
| Tim Swec | Simulation & Effects Artist |
| Richard S.G. Thompson | Simulation & Effects Artist |
| Allison Torres | Simulation & Effects Artist |
| Belinda van Valkenburg | CG Painter |
| John Warren | Master Lighting Artist |
| Patrick Wilson | Lighting Artist |
| Bill Wise | Shading |
| Adam Woodbury | Additional Effects Development |
| Elizabeth Del Sol | Lighting Production Assistant |
| Matthew Martin | Software Engineer |
| Jon Shlens | Software Engineer |
| Chris DiGiovanni | Animation Production Assistant |
| Kitt Hirasaki | Software Engineer |
| Jesse Hollander | Animation |
| Steven Clay Hunter | Character Designer |
| Gabriel Schlumberger | Layout |
| Adam Schnitzer | Layout |
| Mickie McGowan | ADR Voice Casting |
| Terry Claborn | Color Timer |
| Jason Hudak | Assistant Editor |
| Bill Kinder | Post-Production Manager |
| Timothy Sorensen | Post Production Supervisor |
| Marc Bonilla | Additional Music |
| Tom Boyd | Musician |
| Mark Eshelman | Scoring Mixer |
| Isobel Griffiths | Orchestrator |
| Jason Lloyd | Scoring Mixer |
| Joey Newman | Conductor |
| Charles Paley | Music Editor |
| Andrew Page | Music |
| James Thatcher | Musician |
| Bruce White | Musician |
| Don Williams | Musician |
| Kirsten Ames Staubli | Production Accountant |
| David Baraff | Software Engineer |
| Jennifer Becker | Systems Administrators & Support |
| Gabriel Benveniste | Systems Administrators & Support |
| James Burgess | Photoscience Manager |
| Will Csaklos | Script Consultant |
| Douglas Epps | Software Engineer |
| Edward Escueta | Systems Administrators & Support |
| Kurt Fleischer | Software Team Lead |
| Lisa Forssell | Software Engineer |
| Grant Gatzke | Systems Administrators & Support |
| F. Sebastian Grassia | Software Engineer |
| Patrick Guenette | Systems Administrators & Support |
| Bethany Jane Hanson | Systems Administrators & Support |
| Jisup Hong | Software Engineer |
| Ling Hsu | Systems Administrators & Support |
| Jason 'Jayfish' Hull | Systems Administrators & Support |
| Victoria Jaschob | Layout |
| Michael B. Johnson | Software Engineer |
| Tom Kim | Layout |
| Chris King | Software Engineer |
| Cory Knox | Systems Administrators & Support |
| Manny Ko | Software Engineer |
| Craig Kolb | Software Engineer |
| David Laur | Software Engineer |
| Michael Lorenzen | Sequence Supervisor |
| Tim Milliron | Software Engineer |
| Graham Moloy | Production Coordinator |
| Gary Monheit | Software Engineer |
| Terry Lee Moseley | Systems Administrators & Support |
| David Munier | Shading |
| Peter Nye | Software Team Lead |
| Bob Peterson | Script Supervisor |
| Manny Ponce | Systems Administrators & Support |
| Guido Quaroni | Sequence Supervisor |
| Sudeep Rangaswamy | Software Engineer |
| Kristina Ruud | Finance |
| Don Schreiter | Software Engineer |
| Michael Shantzis | Software Engineer |
| Patrick Siemer | Title Graphics |
| Nelson Siu | Systems Administrators & Support |
| Brian Smits | Software Engineer |
| Heidi Stettner | Software Engineer |
| Elle Yoko Suzuki | Systems Administrators & Support |
| Andy Thomas | Systems Administrators & Support |
| Jason Topolski | Systems Administrators & Support |
| Tien Truong | Software Engineer |
| Dirk Van Gelder | Software Team Lead |
| Mark T. VandeWettering | Software Engineer |
| Eric Veach | Software Engineer |
| Christopher C. Walker | Systems Administrators & Support |
| Jay Weiland | Systems Administrators & Support |
| Brad Winemiller | Sequence Supervisor |
| Andy Witkin | Software Team Lead |
| Audrey Wong | Software Engineer |
| Shannon Wood | Script Coordinator |
| Wayne Wooten | Software Engineer |
| David Yu | Software Engineer |
| Sean C. Alvarez | Production Accountant |
| Roger Rose | Animation |
| Juan Peralta | Sound Mix Technician |
| Louis Gonzales | Layout |
| Robert Anderson | Additional Set Dresser |
| Geefwee Boedoe | Additional Storyboarding |
| Derek Casari | ADR Engineer |
| Dennie Thorpe | Foley Artist |
| Tony Eckert | Foley Mixer |
| Ewan Johnson | Layout Supervisor |
| Randy Newman | Music Producer |
| Vince Caro | Additional Dialogue |
| Keith Kolder | CG Animator |
| Kimberly Adair Clark | Human Resources |
| Shane M. Thomas | Production Assistant |
| Bob Whitehill | Stereoscopic Supervisor |
| Maxwell Brace IV | Story Artist |
| Marcia Gwendolyn Jones | Story Manager |
| Brian Magerkurth | Sound Re-Recording Mixer |
| Lee Unkrich | Co-Director |
| David Silverman | Co-Director |
| Pete Docter | Director |
| Bob Peterson | Story Supervisor |
| Randy Newman | Songs |
| Tom Myers | Sound Designer |
| Gary Rydstrom | Sound Re-Recording Mixer |
