 | Dennis Quaid als Jack Hall |
 | Jake Gyllenhaal als Sam Hall |
 | Emmy Rossum als Laura Chapman |
 | Dash Mihok als Jason Evans |
 | Jay O. Sanders als Frank Harris |
 | Sela Ward als Dr. Lucy Hall |
 | Austin Nichols als J.D. |
 | Arjay Smith als Brian Parks |
 | Tamlyn Tomita als Janet Tokada |
 | Sasha Roiz als Parker |
 | Ian Holm als Terry Rapson |
 | Richard McMillan als Dennis |
 | Nassim Sharara als Saudi Delegate |
 | Carl Alacchi als Venezuelan Delegate |
 | Kenneth Welsh als Vice President Becker |
| Michel 'Gish' Abou-Samah als Saudi Translator |
 | Kenneth Moskow als Bob |
 | Glenn Plummer als Luther |
 | Adrian Lester als Simon |
 | Nestor Serrano als Gomez |
 | John Maclaren als Veteran Scientist |
 | Richard Zeman als Flight Director |
 | Perry King als President Blake |
 | Mimi Kuzyk als Secretary of State |
 | Vitali Makarov als Yuri, Russian Astronaut |
 | Russell Yuen als Hideki, Japanese Astronaut |
 | Chris Britton als Vorsteen |
 | Christian Tessier als Aaron |
 | Rick Hoffman als NY Businessman on Bus |
 | Alan Fawcett als Commander Daniels |
 | Sheila McCarthy als Judith |
 | Amy Sloan als Elsa |
 | Karen Glave als Maria |
 | Joe Cobden als Zack |
 | Caroline Keenan als Tina |
 | Matt Adler als Truck Radio Announcer (voice) |
 | Nobuya Shimamoto als Japanese Policeman |
 | Robin Wilcock als Tony |
| Jesus Perez als Mexican (NWS) Janitor |
| April Webster | Casting |
| Bob Beher | Music Editor |
| Marcello Bezina | Stunts |
| Kristen Branan | Visual Effects |
| Diane Macke | Visual Effects |
| Thomas Wanker | Original Music Composer |
| Ueli Steiger | Director of Photography |
| David Brenner | Editor |
| Mark Gordon | Producer |
| Paul Hotte | Set Decoration |
| Emanuele Arnone | Music Editor |
| Harald Kloser | Original Music Composer |
| Roland Emmerich | Producer |
| Renée April | Costume Design |
| Roland Emmerich | Director |
| Victor J. Zolfo | Set Decoration |
| Neil Corbould | Special Effects |
| Gary L. Camp | Steadicam Operator |
| Paul Boutin | Unit Manager |
| Bruce DiValerio | Construction Coordinator |
| Stephanie Gilliam | Set Designer |
| Andrew Semple | Sculptor |
| Steve Cooper | Set Designer |
| Hugo Santiago | Set Designer |
| Alex Touikan | Set Designer |
| Caroline Alder | Set Designer |
| Gerald Sullivan | Art Direction |
| Rejean Brochu | Construction Coordinator |
| Michele Laliberte | Art Direction |
| Tom Reta | Art Direction |
| Michel Brochu | Construction Coordinator |
| Karl J. Martin | Set Designer |
| Barry Chusid | Production Design |
| Lucie Fournier | Sculptor |
| Alain Brochu | Construction Coordinator |
| Nancy A. King | Art Department Coordinator |
| Martin Gendron | Art Direction |
| Camille Parent | Assistant Art Director |
| Réal Proulx | Art Direction |
| Frédéric Amblard | Set Designer |
| Vincent Gingras-Liberali | Set Designer |
| Conny Fauser | Visual Effects Supervisor |
| Jerry Spivack | Visual Effects Supervisor |
| Kenn Smiley | Costume Supervisor |
| Javier Gunther | Transportation Coordinator |
| Branko Racki | Stunt Coordinator |
| Petra Holtorf | Visual Effects Producer |
| Rocco Passionino | Visual Effects Supervisor |
| Sophie Boyer | Script Supervisor |
| Kenneth E. Fix | Location Manager |
| Greg Anderson | Visual Effects Supervisor |
| Greg Strause | Visual Effects Supervisor |
| Ann Scibelli | Sound Designer |
| Ian Hunter | Visual Effects Supervisor |
| Mike Chambers | Visual Effects Producer |
| Céline Daignault | Location Manager |
| Jody Echegaray | Visual Effects Producer |
| Charlie Brewer | Stunt Coordinator |
| Alan Rankin | Sound Designer |
| Remo Balcells | Visual Effects Supervisor |
| Richard Britton | Visual Effects Supervisor |
| Takashi Seida | Still Photographer |
| Andrea Kenyon | Casting |
| Mark P. Stoeckinger | Supervising Sound Editor |
| Michael Meagher | Visual Effects Producer |
| Randi Wells | Casting |
| Michael Kamper | Sound Effects Editor |
| Casey Conroy | Visual Effects Producer |
| Logan Leabo | Gaffer |
| Harry Cohen | Sound Designer |
| Robert Q. Mathews | Costume Supervisor |
| Larry Kemp | Supervising Sound Editor |
| Karen E. Goulekas | Visual Effects Supervisor |
| Colin Strause | Visual Effects Supervisor |
| Chris Watts | Visual Effects Supervisor |
| Raoul Bolognini | Visual Effects Producer |
| Arlynn Abseck | Set Costumer |
| Randy Kelley | Sound Designer |
| Todd Isroelit | Visual Effects Producer |
| Daniel Matthews | Transportation Coordinator |
| Alfonso Maiorana | Camera Operator |
| Georgia Packard | Camera Operator |
| Francois Archambault | Steadicam Operator |
| Sean Andrew Faden | CG Supervisor |
| Robert Berman | First Assistant Editor |
| Andrew Waisler | CG Supervisor |
| Michael Cavanaugh | Visual Effects Editor |
| Eric Goethals | Camera Operator |
| David Prescott | CG Supervisor |
| Alexander Laurant | Visual Effects Art Director |
| Gilles Fortier | Rigging Gaffer |
| Lily Flaschner | Location Manager |
| Bill O'Drobinak | Camera Operator |
| Kerry Hayes | Still Photographer |
| Steven J. Winslow | Camera Technician |
| Nicolas Anastassiou | Visual Effects Editor |
| Kelly Van Horn | Executive Producer |
| Peter Hutchison | Camera Operator |
| Joe Everett | Unit Publicist |
| Ute Emmerich | Executive Producer |
| Adrien Morot | Makeup Effects |
| Sylvania Yau | Makeup Effects |
| Francois Archambault | Camera Operator |
| Danny Gordon Taylor | Animation Supervisor |
| Stephanie Germain | Executive Producer |
| Dagan Potter | CG Supervisor |
| Doug Hemphill | Sound Re-Recording Mixer |
| Hans Uhlig | CG Supervisor |
| Gary L. Camp | Camera Operator |
| Frank Dorowsky | Rigging Gaffer |
| Quincy Z. Gunderson | First Assistant Editor |
| Kim Berner | Script Supervisor |
| Michael Leung | Visual Effects |
| Janis Clark | Key Hair Stylist |
| Claude Paré | Supervising Art Director |
| Kathryn Casault | Key Makeup Artist |
| Cate Praggastis | Local Casting |
| Martin Brisebois | Stand In |
| Joe Ardent | Systems Administrators & Support |
| John Bober | Transportation Captain |
| Paul Postal | Electrician |
| Stéphane Byl | Lighting Technician |
| Danielle Boucher | Production Coordinator |
| Jason Iversen | Sequence Leads |
| David M. Milstien | Leadman |
| Lawrence Inglee | Associate Producer |
| Marc Sadeghi | Executive Visual Effects Producer |
| Mariana Acuña Acosta | Set Production Assistant |
| John Bires | Sound Engineer |
| David O. Daniel | Sound Mixer |
| Louis Craig | Special Effects Supervisor |
| Nick Brandon | Utility Stunts |
| Vanessa R. Jordan | Executive In Charge Of Production |
| Timothy P. Salmon | Boom Operator |
| Una Martin | Art Department Assistant |
| Amelie Duceppe | Loader |
| Steve Hertler | Helicopter Camera |
| Victor Ray Ennis | First Assistant Sound Editor |
| Chris Haynes | Driver |
| Marie-Pierre Tétreault | 24 Frame Playback |
| Linda Strause | Finance |
| Joe Dishner | Unit Production Manager |
| Douglas J. Schulman | Production Sound Mixer |
| Scott David | Casting Associate |
| Manon Lapointe | Production Accountant |
| Eric Lafrance | Construction Foreman |
| Bryan Grill | Digital Effects Supervisor |
| Jane Kilkenny | Carpenter |
| Glenn T. Morgan | Foley |
| Chris Winn | Craft Service |
| Rina Strause | 3D Supervisor |
| Sean Apple | Digital Compositors |
| Erica Headley | Visual Effects Coordinator |
| Stacy Weddington | Set Decoration Buyer |
| Jeff Schweikart | Post Production Assistant |
| Thomas M. Hammel | Co-Producer |
| Patrice Jacques | Propmaker |
| Irfan Celik | Technical Supervisor |
| Edison Jackson | Best Boy Electric |
| Andra Bard | Digital Producer |
| Gloria Ciraolo | Painter |
| Jeffrey Harlacker | Post Production Supervisor |
| Donald Beaulieu | Scenic Artist |
| Kim H. Winther | Associate Producer |
| Daniel Auclair | Production Manager |
| Ryan Beadle | I/O Supervisor |
| Spiro Tsovras | Transportation Co-Captain |
| David B. Menkes | Lighting Artist |
| Frank Bennett | Orchestrator |
| Tavin Marin Titus | Line Producer |
| Michel Bernier | First Assistant Camera |
| Chamberlain Fong | Software Engineer |
| Julie Garceau | Video Assist Operator |
| Richard Complaisance | Rigging Grip |
| Kim H. Winther | First Assistant Director |
| Marc Andrus | Key Grip |
| Louis Dandonneau | Set Dresser |
| Eric Bardin | Assistant Property Master |
| Joost Clerinx | Grip |
| Charlie Newberry | Camera Loader |
| Alain Masse | Dolly Grip |
| Lyse Pomerleau | Costume Coordinator |
| Valerie T. O'Brien | Key Costumer |
| Richard Boucher | Techno Crane Operator |
| Daniel Fort | Pre-Visualization Supervisor |
| Gary Burritt | Negative Cutter |
| Bryan Riley | Casting Assistant |
| Kerry Dean Williams | ADR Editor |
| Guylaine Boucher | Assistant Production Coordinator |
| Vijay Myneni | Creature Technical Director |
| Alia Agha | Matchmove Supervisor |
| Jeremy F. Butler | 3D Animator |
| Schavaria Reeves | Utility Sound |
| Maria Newman | Musician |
| Érik Ajduk | Second Assistant Director |
| Jean Courteau | Chief Lighting Technician |
| Paul Drouin | Third Assistant Director |
| Zack Judson | 3D Artist |
| Al Cerullo | Pilot |
| Blake Neely | Conductor |
| Tim Gomillion | Sound Recordist |
| James Matheny | Dialogue Editor |
| Daniel S. Irwin | Dialogue Editor |
| Roland Emmerich | Screenplay |
| Thomas Yatsko | Second Unit Director of Photography |
| Christopher Walmer | Sound Recordist |
| Jon S. Trebilcock | Sound Recordist |
| Claire Alary | Property Master |
| Jeffrey Nachmanoff | Screenplay |
| Denis Hamel | Property Master |
| Dennis Rogers | Sound Recordist |
| Michael Meier | Production Illustrator |
| Jean Marchand | Set Medic |
| Lyoung Hui Kim | CG Artist |
| Leisa Reid | Stunt Double |
| Brinton Bryan | Key Set Production Assistant |
| Erin King | Rotoscoping Artist |
| Timothy Burgard | Storyboard Artist |
| John Berri | Additional Visual Effects |
| Ted Andre | Visual Effects Compositor |
| Anna Foerster | Second Unit Director |
| David McKimmie | Post Production Coordinator |
| Isabelle Côté | Graphic Designer |
| Barbara Arsenault | Special Effects Assistant |
| Francisco Veyro | Extras Casting Assistant |
| Chris John Jones | Creative Director |
| Andrew M. Harvey | Visual Effects Production Manager |
| Yannick Champagne | Assistant Craft Service |
| Christian Scheurer | Matte Painter |
| Phaedra Charlton | Second Assistant Accountant |
| Charleen Richards-Steeves | ADR Mixer |
| Sylvain Dupuis | Camera Trainee |
| Angèle Gagnon | Second Second Assistant Director |
| Martin D'Arcangeli | Additional Grip |
| Stanley Fernandez Jr. | Assistant Camera |
| Vladimir Fuentes | Assistant Accountant |
| Susan J. Bonno-Buckner | First Assistant Accountant |
| Francis Choquette | Special Effects Technician |
| Sara Cueva | Assistant Editor |
| Michael Eaves | Digital Color Timer |
| Kim Barr | Assistant Location Manager |
| Clare Lord | Location Assistant |
| Adriana Poblano | Travel Coordinator |
| Anthony Gore | ADR Coordinator |
| Darryl Wilson | Best Boy Grip |
| Scott Ross | General Manager |
| Martin St-Antoine | Key Rigging Grip |
| Laurence Lacoste | Wardrobe Assistant |
| Susan Jasso | Production Secretary |
| Jennifer Bydwell | Researcher |
| Gabriel Lavina | Casting Assistant |
| Barry Armour | CG Artist |
| Renee D. Czarapata | Payroll Accountant |
| Jennifer Anderson | Costume Assistant |
| Martin Doepner | Additional Third Assistant Director |
| Jose Fernando Varela | Assistant Decorator |
| Derek Casari | ADR Engineer |
| Molly Dedham | Additional Casting |
| Diane Macke | Project Manager |
| Denise Fischer | Assistant Makeup Artist |
| Sophie Beasse | Key Dresser |
| Henry Godding Jr. | ADR Recordist |
| Lorene Simpson | Digital Intermediate Producer |
| Carole J. Guignard | Administrative Assistant |
| Michael Taylor | Production Executive |
| Daniel Boudreau | Assistant Unit Manager |
| Kristen Branan | Head of Production |
| Jennifer Bender | Extras Casting |
| Matthew Jerome | Costumer |
| Benoit Robert | Swing |
| Scott Edelstein | Data Wrangler |
| Eric Bruneau | Compositing Supervisor |
| Paul Kolsanoff | Production Assistant |
| Mathieu Price | Daily Grip |
| Yuka Kobayashi | Stunts |
| Chris Wells | Lighting Supervisor |
| Yves Langlois | Stunts |
| Tamyra Davis | Additional Hairstylist |
| Linda Gutierrez | Additional Hairstylist |
| Anthony Rosales | Additional Hairstylist |
| Anne-Marie Lanza | Assistant Hairstylist |
| Linda Rizzuto | Assistant Hairstylist |
| Dale Brownell | Assistant Hairstylist |
| Catherine Lavoie | Assistant Makeup Artist |
| Patricia Regan | Assistant Makeup Artist |
| Martin Lapointe | Hairstylist |
| Lydia Bensimmon | Hairstylist |
| Réjean Forget | Key Hair Stylist |
| Kathryn Powell | Key Hair Stylist |
| Sandy DeBlasio | Key Hair Stylist |
| Elisabeth Fry | Key Makeup Artist |
| Sharon Ilson | Key Makeup Artist |
| Julie Casault | Makeup Artist |
| Al Varela | Makeup Artist |
| Lizane La Salle | Extras Makeup Artist |
| Annabelle MacNeal | Makeup Artist |
| Bruno Gatien | Special Effects Makeup Artist |
| C.J. Goldman | Special Effects Makeup Artist |
| George Tucci | Special Effects Makeup Artist |
| Martine Gagnon | Assistant Costume Designer |
| Mary B. Iannelli | Costumer |
| Michael A. Russell | Set Costumer |
| Jeff Griffith | Assistant Camera |
| Chuck Moya | Assistant Camera |
| Eric Turner | Assistant Camera |
| Jeff Nakamura | Best Boy Electric |
| Scott R. Todd | Best Boy Electric |
| David Dinel | Best Boy Grip |
| Pierre Beaulieu | Best Boy Electrician |
| David Reinhard | Camera Loader |
| Andy Ryan | Chief Lighting Technician |
| Anna Foerster | Second Unit Director of Photography |
| Sean Maxwell | Dolly Grip |
| Franck Chaumanet | Electrician |
| Jean-François Dasylva-LaRue | Electrician |
| Pierre Daudelin | Electrician |
| David Irwin | Electrician |
| Wadsworth Peters | Electrician |
| Tracy Estes | Electrician |
| Max Neal | First Assistant Camera |
| Martin Lebel | First Assistant Camera |
| Karl Owens | First Assistant Camera |
| Maxime Imbeau | Grip |
| Tom Nichols | Grip |
| Ezra Venetos | Grip |
| Martine Vincent | Grip |
| Chip Huntington | Grip |
| Claude Fortin | Key Grip |
| David Knudson | Key Grip |
| Kenneth MacKenzie | Key Grip |
| Robert B. Baylis | Key Grip |
| James W. Finnerty | Key Grip |
| William M. Weberg | Key Grip |
| Anthony T. Marra II | Key Grip |
| Martin Boiteau | Rigging Grip |
| Roch Boucher | Second Assistant "A" Camera |
| Reid Russell | Second Assistant "A" Camera |
| Eric Aubin | Second Assistant "B" Camera |
| John Schwartz | Second Assistant Camera |
| Thierry Fargeau | Second Assistant Camera |
| Mark Walpole | Second Assistant Camera |
| Julie Breton | Extras Casting |
| Mariann H.W. Lee | Extras Casting |
| Jorge Guerrero | Extras Casting |
| Peter S. Elliot | Additional Editor |
| Michael McCusker | Additional Editor |
| Okyanus Gözde Horoz | Assistant Editor |
| Christopher Hills-Wright | Assistant Editor |
| Chris Regan | Color Timer |
| Brad Minnich | Editorial Staff |
| Andrew Neujahr | Editorial Staff |
| Martin 'Marty' McLaughlin | Special Effects Supervisor |
| Rachael Weinzimer | Assistant Property Master |
| Frédérique Bolté | Assistant Set Decoration |
| Ron Franco | Assistant Set Decoration |
| Marie-Hélène Labrecque | Assistant Set Decoration |
| Edwin Fong | Conceptual Design |
| Glenn Forbes | Property Master |
| Robert Brown | Props |
| Neal W. Zoromski | Props |
| Katrissa 'Kat' Peterson | Set Decorating Coordinator |
| Ève Boulonne | Set Dresser |
| Louis Frederic Denomme | Set Dresser |
| Geoffroy Gosselin | Set Dresser |
| Eric Hill | Set Dresser |
| Marco Lavallée | Set Dresser |
| Philippe Lord | Set Dresser |
| Carol Ann Napier | Set Dresser |
| Robert Parle | Set Dresser |
| Benoit Robitaille | Set Dresser |
| Pascal Tremblay | Set Dresser |
| James "JR" Pollard | Set Dresser |
| Steve Park | Set Dresser |
| Joshua Cordes | 3D Animator |
| Joel Sevilla | 3D Animator |
| Kohei Maetsuka | 3D Modeller |
| Ryoji Takai | 3D Modeller |
| Shigeharu Tomotoshi | 3D Modeller |
| Yoshiya Yamada | Modelling Supervisor |
| Chris Armstrong | Animation |
| Sean Curran | Animation |
| Bruce Dahl | Animation |
| Kevin Scott | Animation |
| Tom St. Amand | Animation |
| David Weitzberg | Animation |
| Rodrigo Teixeira | CG Artist |
| Adam Watkins | CG Artist |
| Michael Choy | CG Artist |
| Leandro Estebecorena | CG Artist |
| Dave Lockwood | Compositor |
| Jason Selfe | Compositor |
| Gareth Dinneen | Compositor |
| Josh Kent | Compositor |
| Daisuke Morita | Compositor |
| Chris Payne | Compositor |
| Gregor Lakner | CG Supervisor |
| Christopher Townsend | CG Supervisor |
| Kirstin Bradfield | Rotoscoping Artist |
| Christopher Ivins | Digital Compositor |
| Tim Llewellyn | Digital Compositor |
| Kory Juul | Digital Compositor |
| Guerdon Trueblood | Digital Compositor |
| Jeff Wozniak | Digital Compositor |
| Mark Robben | Digital Compositor |
| Steve Cho | Digital Compositor |
| Alex Henning | Digital Compositor |
| Zachary Lo | Digital Compositor |
| Ralph Procida | Digital Compositor |
| Sonja Burchard | Compositing Lead |
| Robert Nederhorst | Compositing Lead |
| Dennis Wilkins | Compositing Lead |
| Brian Begun | Compositing Lead |
| Josh Novak | Compositing Lead |
| Michael Root | Compositing Lead |
| Jericho Green | Modeling |
| Nelson Sousa | Modeling |
| Tess Spaulding | Systems Administrators & Support |
| Benjamin Feen | Systems Administrators & Support |
| Charles Anderson | VFX Artist |
| Reggie Fourmyle | VFX Artist |
| Lyoung Hui Kim | VFX Artist |
| Ryan Lastimosa | VFX Artist |
| Brian A. Metcalf | VFX Artist |
| Eric Warren | VFX Artist |
| Francisco DeLaTorre | VFX Artist |
| Jim Hourihan | VFX Artist |
| Oliver Moore | VFX Artist |
| Stephanie Taubert | Rotoscoping Artist |
| Steve Riera | Visual Effects Coordinator |
| Laurel Schneider | Visual Effects Coordinator |
| Christine Globke Saric | Visual Effects Coordinator |
| Bernardo Jauregui | Visual Effects Coordinator |
| Adam Lisagor | Visual Effects Coordinator |
| Bene Naudin | Visual Effects Coordinator |
| Jeff Luther | Visual Effects Coordinator |
| Leslie Valentino | Visual Effects Coordinator |
| Magdalena Wolf | Visual Effects Coordinator |
| Erick Miller | Visual Effects Technical Director |
| Ryo Sakaguchi | Visual Effects Technical Director |
| Matthew Fairclough | Visual Effects Technical Director |
| Jeff Grebe | Visual Effects Technical Director |
| Brian Goldberg | Visual Effects Technical Director |
| Irfan Celik | Visual Effects Technical Director |
| Nicholas Nakadate | Visual Effects Technical Director |
| David Lucarelli | ADR Recordist |
| David Yonson | ADR Recordist |
| Jeff Porrello | Boom Operator |
| Jeff Glueck | Sound Engineer |
| Robert Reece | Stunts |
| Morgan Phillips | Visual Effects Production Assistant |
| Katie Rowe | Stunts |
| Bob Brown | Stunts |
| Andy Gill | Stunts |
| Jack Gill | Stunts |
| Shawn Kelly | Animation |
| Liam Kiernan | Assistant Location Manager |
| Dino Herrmann | Technical Advisor |
| Hélèna Laliberté | Stunts |
