 | Paul Giamatti als Cleveland Heep |
 | Bryce Dallas Howard als Story |
 | Jeffrey Wright als Mr. Dury |
 | Bob Balaban als Harry Farber |
 | Sarita Choudhury als Anna Ran |
 | Cindy Cheung als Young-Soon Choi |
 | M. Night Shyamalan als Vick Ran |
 | Freddy Rodríguez als Reggie |
 | Bill Irwin als Mr. Leeds |
 | Mary Beth Hurt als Mrs. Bell |
 | Noah Gray-Cabey als Joey Dury |
 | Joseph D. Reitman als Long Haired Smoker |
 | Jared Harris als Goatee Smoker |
 | Grant Monohon als Emaciated Smoker |
 | John Boyd als One-Eyebrow Smoker |
 | Ethan Cohn als Glasses Smoker |
 | June Kyoto Lu als Mrs. Choi |
 | Tovah Feldshuh als Mrs. Bubchik |
 | Tom Mardirosian als Mr. Bubchik |
| Maricruz Hernandez als Perez de la Torre Sister #1 |
 | Carla Jimenez als Perez de la Torre Sister #2 |
| Natasha Perez als Perez de la Torre Sister #3 |
 | Monique Gabriela Curnen als Perez de la Torre Sister #4 |
 | Marilyn Torres als Perez de la Torre Sister #5 |
| George Bass als Mr. Perez de la Torre |
 | Joel Marsh Garland als Pool Guy |
| James Breen als SPCA Guy |
| Nell Johnson als Phone Message (voice) |
| Walter Lafty als Silvertide Band Member |
| Mark Melchiorre Jr. als Silvertide Band Member |
| Kevin Frank als Silvertide Band Member |
| Brian Weaver als Silvertide Band Member |
| Nick Perri als Silvertide Band Member |
 | Jeremy Howard als Tartutic #1 |
 | Brian Steele als Tartutic #2 |
 | Kurt Carley als Tartutic #3 |
 | Doug Jones als Tartutic #4 |
 | David Ogden Stiers als Narrator (uncredited) |
| M. Night Shyamalan | Producer |
| Barbara Tulliver | Editor |
| M. Night Shyamalan | Director |
| Sam Mercer | Producer |
| James Newton Howard | Original Music Composer |
| M. Night Shyamalan | Screenplay |
| Christopher Doyle | Director of Photography |
| Betsy Heimann | Costume Design |
| Douglas Aibel | Casting |
| Christina Ann Wilson | Art Direction |
| Thomas Minton | Set Designer |
| Frank E. Eulner | Supervising Sound Editor |
| Bernadette Mazur | Makeup Department Head |
| Dennie Thorpe | Foley |
| Jeff Habberstad | Stunt Coordinator |
| Jeanmarie King | Visual Effects Producer |
| Lee Dichter | Sound Re-Recording Mixer |
| Rachel Leek | Set Costumer |
| Edward Hirsh | Visual Effects Supervisor |
| Mary Cybulski | Script Supervisor |
| Dawn Brown | Set Designer |
| Steve Boeddeker | Sound Designer |
| Martin Childs | Production Design |
| Steve Cremin | Special Effects Coordinator |
| Stefan Dechant | Art Direction |
| Noelle King | Set Designer |
| Sara Philpott | Art Department Coordinator |
| Frank Masi | Still Photographer |
| Jana Vance | Foley |
| Suzana Peric | Music Editor |
| James Lin | Location Manager |
| Larry Dias | Set Decoration |
| Anthony Ortiz | Boom Operator |
| Michael Semanick | Sound Re-Recording Mixer |
| Edwin Effrein | Steadicam Operator |
| Karin Silvestri | Stunts |
| Marshall Winn | Supervising ADR Editor |
| Chris Munro | Production Sound Mixer |
| James Mazzola | Property Master |
| Kevin Sellers | Foley Editor |
| Marshall Winn | Supervising Dialogue Editor |
| Marilyn McCoppen | ADR Editor |
| Jose L. Rodriguez | Associate Producer |
| John Rusk | Associate Producer |
| Alan Meyerson | Scoring Mixer |
| Gerald Scaife | Production Supervisor |
| Christian Alzmann | Visual Effects Art Director |
| Karyn Gerred | Scenic Artist |
| Trevor Habberstad | Utility Stunts |
| Lara Lampenfield | Painter |
| Qodi Armstrong | Hairstylist |
| Phil Bradshaw | Grip |
| Melissa Yonkey | Hair Department Head |
| Merribelle Anderson | Key Hair Stylist |
| John Rusk | First Assistant Director |
| Don Kozma | Key Makeup Artist |
| Edward J. Johnson | Carpenter |
| Jim Orr | Set Dresser |
| Sharon Mann | Unit Production Manager |
| Ravi D. Mehta | Executive In Charge Of Production |
| Kevin Mangan | Greensman |
| David French | Sculptor |
| Mark Setrakian | Animatronics Designer |
| Jessie Thiele | Post Production Supervisor |
| Autumn Saville | Assistant Costume Designer |
| Francine Natale | Assistant Chief Lighting Technician |
| Lorelei David | Visual Effects Editor |
| Tim Harrington | Animation Supervisor |
| Paul Williams | Construction Coordinator |
| Guy Adan | Unit Publicist |
| Kevin Connolly | Musician |
| Joseph DeBona | Stand In |
| Tom Prate | Key Grip |
| Kevin Ritter | Key Costumer |
| Keri Bruno | Second Second Assistant Director |
| Chris Bogart | Set Painter |
| Pete Romano | Underwater Director of Photography |
| Mike Patrick | Mix Technician |
| Steven E. Anderson | Prosthetic Makeup Artist |
| Kara Morasco | Tailor |
| Brandon Cook | Props |
| Chungsoo Lee | Dialect Coach |
| Jennifer Zolten Freed | Post Production Accountant |
| Mark Mayer | Production Accountant |
| Michele Cusick | Set Production Assistant |
| David Brandon | Electrician |
| Scott Guitteau | Sound Effects Editor |
| Slazenger Chinked | Special Effects |
| Olivier Fontenay | Color Timer |
| Michael Scott | Sound Recordist |
| Kevin Barnhill | Digital Effects Supervisor |
| Richie Ford | Rigging Gaffer |
| G. Grant Jewett | Stunts |
| William Lebeda | Title Designer |
| Dale Taylor | Visual Effects Coordinator |
| Brick Mason | Second Unit Director |
| Christian Brockey | Production Coordinator |
| Basti Van Der Woude | Second Assistant Director |
| Stephanie Holbrook | Casting Associate |
| Jeff Atmajian | Orchestrator |
| Chris Beattie | Rigging Grip |
| Scott T. Pina | Construction Foreman |
| Keith Potter | Additional Second Assistant Director |
| Jeanie King | Visual Effects Producer |
| Antony Graf | Construction Grip |
| Susan Jacobs | Music Supervisor |
| Kathleen Kelly | Set Medic |
| Yen P. Nguyen | Loader |
| Vinny Mazzarella | Assistant Property Master |
| Dianne Chadwick | Graphic Designer |
| Edward Poveda | Payroll Accountant |
| Victoria Boaz | Production Assistant |
| Mark Sonoda | Production Executive |
| Glenn Kaplan | First Assistant "A" Camera |
| Ozzie Carmona | Digital Compositor |
| Lisa Chino | Assistant Dialogue Editor |
| Daniel D. Sariano | Assistant Camera |
| Jeri Habberstad | Stunt Double |
| Mo Henry | Negative Cutter |
| Marshall Richard Krasser | Compositing Supervisor |
| Troy Porter | ADR Mixer |
| Ian Blume | Assistant Editor |
| Lauren Scott | Post Production Coordinator |
| Craig Hayes | Associate Editor |
| Jeanine Pengiel | Casting Assistant |
| Lisa Wiggins | First Assistant Accountant |
| Melanie Crescenz | Extras Casting |
| Frank Rinella | Foley Mixer |
| Ronald Burke | Dolly Grip |
| Lauren Scott | Production Secretary |
| Kevin Flynn | Key Rigging Grip |
| Terrence B. Zinn | Key Set Production Assistant |
| Skylar Schmidt | Second Assistant Accountant |
| Bill O'Leary | Chief Lighting Technician |
| Kev Ketner | Additional Production Assistant |
| William Lee | Special Effects Technician |
| Josh Blakeslee | Second Assistant Camera |
| David Raynor | Assistant Production Coordinator |
| Ellen Heuer | Foley Artist |
| Chris Kilduff | Best Boy Grip |
| Barbara Harris | ADR Voice Casting |
| Deedra Ricketts | Location Casting |
| Thomas S. Drescher | Supervising Music Editor |
| Hinju Kim | Assistant Art Director |
| James Carson | Other |
| Kory Victor | Assistant Production Coordinator |
| Kory Victor | Researcher |
| Patrick Capone | Camera Operator |
| Kyle Rudolph | Steadicam Operator |
| Glenn Kaplan | First Assistant Camera |
| Edwin Effrein | Other |
| Greg Finkel | Other |
| Sean P. Gilbert | Underwater Camera |
| Armen Ksajikian | Musician |
| Karin Silvestri | Stunt Double |
