 | Sam Neill als Dr. Alan Grant |
 | William H. Macy als Paul Kirby |
 | Téa Leoni als Amanda Kirby |
 | Alessandro Nivola als Billy Brennan |
 | Trevor Morgan als Erik Kirby |
 | Michael Jeter als Mr. Udesky |
 | John Diehl als Cooper |
 | Bruce A. Young als M.B. Nash |
 | Laura Dern als Dr. Ellie Sattler |
 | Taylor Nichols als Mark Degler |
 | Mark Harelik als Ben Hildebrand |
 | Julio Oscar Mechoso als Enrique Cardoso |
 | Blake Michael Bryan als Charlie |
 | Sarah Danielle Madison als Cheryl Logan |
 | Linda Park als Hannah |
 | Sonia Jackson als Symposium Leader |
 | Bruce French als Science Reporter |
 | Bernard Zilinskas als Male Student |
 | Rona Benson als Female Student |
 | Frank Clem als Man in Suit |
 | Craig Hosking als Pilot |
 | Rick Shuster als Pilot |
 | Sean Coffey als Palentology Student (uncredited) |
| Karin M. Gaarder als Paleontology Student (uncredited) |
 | Edward C. Gillow als University Professor at Symposium (uncredited) |
 | Craig Richards als Billy's Bar Buddy (uncredited) |
| Brad Everett Young als Paleontology Student (uncredited) |
| Joe Johnston | Director |
| Larry J. Franco | Producer |
| Kathleen Kennedy | Producer |
| Don Davis | Original Music Composer |
| Shelly Johnson | Director of Photography |
| Robert Dalva | Editor |
| Nancy Foy | Casting |
| Ed Verreaux | Production Design |
| Michael Crichton | Characters |
| Peter Buchman | Writer |
| Alexander Payne | Writer |
| Jim Taylor | Writer |
| Steven Spielberg | Executive Producer |
| Wendy Washbrook | Casting |
| Doug J. Meerdink | Art Direction |
| Kate J. Sullivan | Set Decoration |
| Betsy Cox | Costume Design |
| Greg Papalia | Supervising Art Director |
| Julie D'Antoni | VFX Production Coordinator |
| Cheryl A. Tkach | Associate Producer |
| David Womark | Associate Producer |
| Brian Ellison | Art Department Assistant |
| Beth Bajuk | Art Department Coordinator |
| Roy Barnes | Assistant Art Director |
| Steve Callas | Construction Coordinator |
| Peter Olexiewicz | Construction Foreman |
| Craig B. Ayers Sr. | Greensman |
| Jack Johnson | Production Illustrator |
| Yarek Alfer | Sculptor |
| Lisa Alkofer | Set Decoration Buyer |
| J. André Chaintreuil | Set Designer |
| Jeffrey Thomas | Standby Painter |
| Philip Lee | Additional Camera |
| David Eubank | First Assistant Camera |
| David Chameides | Steadicam Operator |
| Zade Rosenthal | Still Photographer |
| Michael Ferris | Underwater Camera |
| Wendy M. Craig | Costume Supervisor |
| Audrey L. Anzures | Hairstylist |
| Kathryn Blondell | Key Hair Stylist |
| Kimberly Felix | Makeup Artist |
| Scott R. Hankins | Set Costumer |
| Kevin Barnhill | CG Supervisor |
| Jamie Kehoe | Craft Service |
| Michael W. Broomer | Driver |
| Tony Buffa | Makeup Effects |
| Lisa Rodgers | Post Production Supervisor |
| Alan Jacques | Projection |
| Fred Apolito | Propmaker |
| Samir Hoon | Sequence Supervisor |
| Ari Rapkin | Software Engineer |
| Donald Elliott | Special Effects Coordinator |
| Pat Romano | Stunt Coordinator |
| Seth Arnett | Stunts |
| Thomas Whelpley | Transportation Co-Captain |
| Tommy Tancharoen | Transportation Coordinator |
| David Streit | Unit Production Manager |
| Ernie Malik | Unit Publicist |
| Bryce Shields | Video Assist Operator |
| Scott Anderson | Visual Effects Editor |
| Brenda K. Wachel | Script Supervisor |
| Jim Passon | Color Timer |
| Scott Janush | First Assistant Editor |
| Justin Stroh | Electrician |
| John Sprague | Gaffer |
| Michael K. Davis | Lighting Technician |
| Frank Dorowsky | Rigging Gaffer |
| Noah Behar | Rigging Grip |
| Kim Everett | Casting Associate |
| Valerie Y.O. Kim | Location Manager |
| Kathy Petty | Production Accountant |
| Stiles White | Production Coordinator |
| David Womark | Production Manager |
| Michael J. Malone | Production Supervisor |
| Patricio M. Farrell | Researcher |
| Jeff Porrello | Boom Operator |
| James Morioka | First Assistant Sound Editor |
| Barbara McDermott | Music Editor |
| Thomas Causey | Production Sound Mixer |
| Christopher Boyes | Sound Designer |
| Frank E. Eulner | Sound Effects Editor |
| Howell Gibbens | Supervising Sound Editor |
| Danny Gordon Taylor | Animation Supervisor |
| Julie Adrianson-Neary | Digital Compositors |
| Brent Bowers | Visual Effects |
| Adrienne Anderson | Visual Effects Coordinator |
| Mark S. Miller | Visual Effects Producer |
| Craig Barron | Visual Effects Supervisor |
| Doug Quinn | Sound Design Assistant |
| Adria Later | Studio Teachers |
| Frank 'Pepe' Merel | Sound |
| Max Bozeman | Set Dresser |
| Steven J. Winslow | Aerial Camera Technician |
| Michelle Deal | Camera Loader |
| Artist W. Robinson | First Assistant Director |
| Andrew M. Siegel | Assistant Property Master |
| Laura M. O'Brien | Set Decorating Coordinator |
| Jim Leidholdt | Dolly Grip |
| Justin Babin | Grip |
| Dennis Liddiard | Key Makeup Artist |
| Tim Bailes | Marine Coordinator |
| Deanna Stadler | Second Assistant Director |
| Gary Burritt | Negative Cutter |
| Kevin Bowe | Assistant Production Coordinator |
| Jim Likowski | Foley Editor |
| James Thatcher | Musician |
| Michele Perrone | Supervising ADR Editor |
| Richard Kite | Utility Sound |
| Rick O'Connor | CG Animator |
| Peter Daulton | Lead Animator |
| David Washburn | Matchmove Supervisor |
| Valek Sykes | Mechanical Designer |
| Brice R. Parker | Visual Effects Coordinator |
| Christopher J. Kristoff | Costumer |
| Charles Simmers | Second Second Assistant Director |
| Bob West | Graphic Designer |
| Craig T. Shordon | Set Designer |
| Rodolfo Damaggio | Storyboard Artist |
| Jeff Gomillion | ADR Mixer |
| Philip Rogers | ADR Recordist |
| Dennie Thorpe | Foley Artist |
| Tony Eckert | Foley Mixer |
| Frank 'Pepe' Merel | Foley Recordist |
| Everett Byrom III | Special Effects Technician |
| Jim Milton | Visual Effects Assistant Editor |
| Damien Carr | Visual Effects Production Assistant |
| Stanton Barrett | Stunt Double |
| Paul Meehan | Additional Grip |
| Gregory M. Childers | Best Boy Grip |
| Danny Brazen | Dolly Grip |
| Chris Bangma | Libra Head Technician |
| Jacqueline J. Nivens | Second Assistant Camera |
| Carlos Baena | CG Animator |
| Sue Campbell | Lead Animator |
| Diva Magpayo | Assistant Editor |
| Andrea Biklian | Negative Cutter |
| Maida N. Morgan | Assistant Location Manager |
| Audrey A. Conrad | Assistant Accountant |
| Eddie Pasquarello | Compositing Supervisor |
| John Rosengrant | Effects Supervisor |
| Steve Grantowitz | Executive Assistant |
| Liz Probst | Payroll Accountant |
| Craig Hosking | Pilot |
| Amy Allen | Production Assistant |
| Brad Einhorn | Property Master |
| Elizabeth Kenton | Dialogue Editor |
| Danny Wynands | Stunts |
| Lee Whittaker | Stunt Double |
| Gary J. Wayton | Stunts |
| William Washington | Stunts |
| Aaron Walters | Stunts |
| Martin Valinsky | Stunts |
| Mark A. Thomson Thomson | Stunts |
| David Schultz | Stunts |
| Jimmy Romano | Stunts |
| J.P. Romano | Stunts |
| Troy Robinson | Stunts |
| Carl Paoli | Stunt Double |
| Dustin Meier | Stunts |
| Bob MacDougall | Stunts |
| Kent W. Luttrell | Stunts |
| Wayne King | Stunts |
| Kris A. Jeffrey | Stunts |
| Cinda-Lin James | Stunt Double |
| Lisa Hoyle | Stunts |
| Norman Howell | Stunts |
| Joe Greblo | Stunts |
| Mark Ginther | Stunts |
| Richard Epper | Stunts |
| Jared S. Eddo | Stunts |
| Danny Downey | Stunt Double |
| Tom Daniels | Stunts |
| Cindy Daniels | Stunts |
| Laura Lee Connery | Stunts |
| Bobby Burns | Stunts |
| Bob Brown | Stunts |
| Ted R. Boyse | Stunt Double |
| Dotan Bonen | Stunts |
| Chris Blackwood | Stunts |
| David Barrett | Stunts |
| Dennis Rice | Best Boy Electric |
