 | Jesse Bradford als Zak Gibbs |
 | Paula Garcés als Francesca |
 | French Stewart als Dr. Earl Dopler |
 | Michael Biehn als Henry Gates |
 | Robin Thomas als Dr. Gibbs |
 | Julia Sweeney als Jenny Gibbs |
 | Lindze Letherman als Kelly Gibbs |
 | Jason George als Richard |
 | Ken Jenkins als NSA Agent Moore |
 | Tony Abatemarco als Administrator |
 | Garikayi Mutambirwa als Meeker |
 | Brian J. Williams als Car Salesman (uncredited) |
 | Linda Kim als Jay |
| Esperanza Catubig als Ticket Agent |
 | Jennifer Manley als Security Officer |
 | Scott Thomson als Tourist Dad |
| Deborah Rawlings als Tourist Mom |
| Jodie Milks als Bright Freshman |
 | Brad "Chip" Pope als Confused Freshman |
| Oanh Nguyen als Graduate Student |
| Andrew James Armstrong als Hot Skates Sports Boy |
 | Rachel Arieff als Hot Skates Saleswoman |
 | Joey Simmrin als Rick Ditmar |
 | Finneus Egan als Ditmar's Friend |
 | Pamela Dunlap als Vice Principal |
 | Gina Hecht als Meter Maid |
| Eric Michael Baugh als Tagger |
| Dwight Armstrong als Nose-Ring Boy |
| DJ Midas als Flavius' Opponent |
 | Billy Mayo als Q.T. Agent |
 | Jenette Goldstein als Doctor |
 | Jeff Ricketts als Officer Meyers |
 | Melanie Mayron als Night Manager |
| Larry Carroll als Newscaster |
 | Caroline Fogarty als Convention Worker |
 | Miko Hughes als Young Dopler |
 | Jonathan Frakes als Bystander |
| Rob Hedden | Writer |
| Barbara Cohen | Casting |
| Gale Anne Hurd | Producer |
| Andy Hedden | Writer |
| Julia Pistor | Producer |
| Mary Gail Artz | Casting |
| Deborah Everton | Costume Design |
| Jonathan Frakes | Director |
| Gary Monak | Special Effects Coordinator |
| Geoffrey G. Rubay | Supervising Sound Editor |
| Lon Bender | Sound Designer |
| Brana Rosenfeld | Set Decoration |
| Joel Ariniello | Set Designer |
| Steve Rhee | Visual Effects Editor |
| Marek Dobrowolski | Production Design |
| Kevin Kavanaugh | Art Direction |
| Kenny Myers | Makeup Department Head |
| Steve Constancio | Set Costumer |
| Judi Brown | Script Supervisor |
| Natalie Richards | Assistant Art Director |
| Harry Cohen | Sound Effects Editor |
| Tony Lamberti | Sound Effects Editor |
| Michael L. Fink | Visual Effects Supervisor |
| Michael Menapace | Transportation Coordinator |
| Lucas Moore | Studio Teachers |
| Diane L. Sabatini | Production Supervisor |
| Jeffrey Greeley | Camera Operator |
| David Gasperik | Camera Operator |
| Lisa Blok-Linson | Location Manager |
| Randall S. Coe | Construction Foreman |
| Lynn Garrido | Special Effects Coordinator |
| Claudette Barius | Still Photographer |
| Lawrence Karman | Steadicam Operator |
| Deborah J. Page | Location Manager |
| Bruce Tanis | Sound Effects Editor |
| Lubo Hristov | Visual Effects Art Director |
| Rick Avery | Stunt Coordinator |
| Maggie Bailey | Set Costumer |
| Peter E. Berger | Editor |
| Randy Kelley | Sound Effects Editor |
| Aprile Lanza Boettcher | Scenic Artist |
| Jacqui Lopez | Visual Effects Producer |
| David Mortimer | Unit Publicist |
| Jeff Canavan | Editor |
| Alan Allinger | Construction Foreman |
| Pam Cartmel | Art Department Coordinator |
| Rodney Armanino | Construction Coordinator |
| Richard O. Helmer | Special Effects Coordinator |
| Gayle Busby | Visual Effects Producer |
| Michael J. Walker | Camera Operator |
| Robert Brooks Mendel | Location Manager |
| Hi-Hat | Choreographer |
| Tim Suhrstedt | Director of Photography |
| Bill MacSems | Property Master |
| Jamshied Sharifi | Original Music Composer |
| Paul Hughen | Second Unit Director of Photography |
| Vic Radulich | Dialogue Editor |
| Mark C. Grech | Boom Operator |
| Mike Szakmeister | Supervising Dialogue Editor |
| Zack Davis | ADR Supervisor |
| J. David Stem | Writer |
| David N. Weiss | Writer |
| Albie Hecht | Executive Producer |
| Vivian Baker | Makeup Artist |
| David B. Householter | Unit Production Manager |
| Rick Avery | Second Unit Director |
| Carla Bowen | Second Unit First Assistant Director |
| Rosemary C. Cremona | Second Assistant Director |
| Ruby Stillwater | Second Second Assistant Director |
| Ian Woolf | First Assistant Director |
| Thomas Betts | Set Designer |
| Jennifer Dawson | Assistant Property Master |
| Fireball Tim Lawrence | Storyboard Artist |
| David Rottenberg | Assistant Property Master |
| David E. Fluhr | Sound Re-Recording Mixer |
| Jim Stuebe | Sound Mixer |
| Joni Avery | Stunts |
| Hubie Kerns Jr. | Stunt Driver |
| Matt Bardocz | Best Boy Electric |
| Damon Doherty | Rigging Grip |
| Paul V. Ferrazzi | First Assistant "A" Camera |
| Paul Goodstein | Key Grip |
| Matt Guiza | Second Assistant Camera |
| Jennifer Bender | Extras Casting |
| Leanna Sheldon | Casting Associate |
| Carlos Rosario | Assistant Costume Designer |
| J.P. "Brendan" Bernardo | Assistant Editor |
| Donald Freeman | Colorist |
| James Sall | Music Coordinator |
| Robert Allen | Set Medic |
| Carol Sue Byron | Production Accountant |
| Jennifer Campbell | Production Coordinator |
| Geoffrey G. Rubay | Sound Designer |
| Paul W. McIlvane | Chief Lighting Technician |
| Thomas J. Ruffner | Dolly Grip |
| Clint J. Borden | Dolly Grip |
| Michael T. Wilson | Assistant Editor |
| Sarah Monat | Foley Artist |
| Robin Harlan | Foley Artist |
| Randy Singer | Foley Mixer |
| Joy Zapata | Hair Department Head |
| Linda Arnold | Key Hair Stylist |
| Richard Snell | Key Makeup Artist |
| Cindy Murphy | Art Department Assistant |
| Chuck Coffman | Set Dresser |
| Michael C. Magno | Set Dresser |
| Jay Koiwai | Standby Painter |
| Kino Scialabba | Visual Effects Art Director |
| Jason Piccioni | Digital Effects Supervisor |
| David Altenau | Digital Effects Supervisor |
| Lynn Basas | Modelling Supervisor |
| Andrew Honacker | Pre-Visualization Supervisor |
| Serena Rainbow Naramore | Roto Supervisor |
| Christopher Duddy | VFX Director of Photography |
| Eric Swenson | VFX Director of Photography |
| Karl Rumpf | Visual Effects Coordinator |
| Tiffany Smith | Visual Effects Coordinator |
| Ramprasad Sampath | Visual Effects Technical Director |
| Karen Klein | Digital Compositor |
| Christopher Lance | Digital Compositor |
| Kenneth Littleton | Digital Compositor |
| Tony Noel | Digital Compositor |
| Kim O'Donnell | Digital Compositor |
| Philip Sisk | Digital Compositor |
| Ken Sjogren | Digital Compositor |
| Renée Tymn | Digital Compositor |
| Steve Wright | Digital Compositor |
| Leigh Hennessy | Stunts |
| John Mann | Storyboard Artist |
