Dr. Karen Ross
Laura Linney
Dr. Peter Elliot
Dylan Walsh
Eleanor Romy
Carolyn Seymour
Assistant
Romy Rosemont
College President / Elliot's Boss
James Karen
William
Bill Pugin
Prof. Arliss Wender
Lawrence T. Wrentz
Rudy, TraviCom Security
Robert Almodovar
Sally
Kathleen Connors
TraviCom Operator
Joel Weiss
Bob Driscoll
John Hawkes
Mr. Janus
Peter Jason
Captain Munro Kelly
Ernie Hudson
727 Pilot
Jimmy Buffett
Transport Worker #1
James Paradise
Transport Worker #2
William John Murphy
Samahani
Thom Barry
African Airport Guard
Ayo Adejugbe
Roadblock Officer
Kevin Grevioux
Roadblock Soldier
Karara Muhoro
Hospital Interrogator
Darnell Suttles
Claude from Mombasa
Michael Chinyamurindi
Lead Porter
Willie Amakye
Herkermer Homolka
Tim Curry
Porter
Malang
Jay Speed Forney
Shelton Mack
David Mungai
Anthony Mutune
Sylvester Mwangi
Les Robinson
Nelson Shalita
DC-3 Pilot
E.J. Callahan
DC-3 Co-Pilot
Guy Toley
Richard
Grant Heslov
Mizumu Tribesman
Jackson Gitonga
Andrew Kamuyu
Witch Doctor
Fidel Bateke
Amy (voice)
Shayna Fox
Charles Travis
Bruce Campbell
Jeffrey Weems
Taylor Nichols
Kahega
Adewale Akinnuoye-Agbaje
Gorilla
David Anthony
Brian La Rosa
Gorilla (as John Cameron)
John Munro Cameron
R.B. Travis
Joe Don Baker
John Alexander Lowe
Jay Caputo
Garon Michael
Peter Elliott
David St. Pierre
Eldon Jackson
Philip Tan
Nicholas Kadi
Christopher 'Critter' Antonucci
Ghost Tribe Member (Uncredited)
Loren Cross
Amy
Lorene Noh
Tribe Member (Uncredited)
Chris Dupre
Captain Wanta (Uncredited)
Delroy Lindo
Eddie Ventro (Uncredited)
Joe Pantoliano
Scientist (Uncredited)
Paul Speaks
Moira
Mary Ellen Trainor
Amy the Gorilla
Misty Rosas
Boyd
Stuart Pankin
Stunts
Chuck Picerni Jr.
Producer
Sam Mercer
Animal Coordinator
Jules Sylvester
Original Music Composer
Jerry Goldsmith
Conductor
Visual Effects Supervisor
Scott Farrar
Stunt Double
Keith Woulard
Lisa McCullough
Screenplay
John Patrick Shanley
Casting
Mike Fenton
Orchestrator
Alexander Courage
Kathleen Kennedy
Title Designer
Dan Perri
Executive Producer
Frank Marshall
Director
Sound Re-Recording Mixer
Doug Hemphill
Director of Photography
Allen Daviau
Gilbert B. Combs
Art Department Coordinator
Carol Kiefer
CG Artist
Christopher Townsend
Author
Michael Crichton
Editor
Anne V. Coates
First Assistant Director
Katterli Frauenfelder
Brian Smrz
Choreographer
Adam Shankman
Production Design
J. Michael Riva
Foley Editor
Hector C. Gika
Extras Casting
Kenneth Chamitoff
Best Boy Grip
Peter McAdams
Set Decoration
Lisa Fischer
Costume Design
Marilyn Matthews
Associate Producer
Michael Backes
Allison Cowitt
Frank Yablans
Paul Deason
Leadman
William S. Maxwell III
Production Illustrator
Donna Cline
Supervising Art Director
Richard Holland
Property Master
Jerry Moss
Construction Coordinator
Terry Scott
Assistant Art Director
Wendy Riva
Camera Technician
David Daunt
Set Production Assistant
Sashy Bogdanovich
Visual Effects Editor
Michael McGovern
Visual Effects Producer
Lydia Bottegoni
Script Supervisor
Faith Conroy
Supervising Sound Editor
Gregg Baxter
Key Makeup Artist
Christina Smith
Propmaker
John Giuliano
Casting Associate
Terrence Harris
Production Accountant
Andy Birmingham
Dialogue Editor
Michael P. Cook
Sound Effects Editor
Rick Bozeat
Camera Operator
Paul C. Babin
Lighting Technician
Dana Arnold
Driver
Scott Fair
Music Editor
Darrell Hall
Mechanical Designer
Chris Cowan
Set Designer
Charlie Daboub
Stunt Coordinator
M. James Arnett
Transportation Captain
Tom Marshall
Unit Publicist
Anne Marie Stein
Rigging Gaffer
Chris Napolitano
Assistant Sound Editor
Desmond Cannon
Sculptor
Jeff Frost
Additional Photography
Tom Connole
Post Production Assistant
Chris 'Kid' Schwartz
Sound Mixer
Ron Judkins
Construction Foreman
Tom Lifsey
Painter
John French
Still Photographer
Merrick Morton
Carpenter
Bruce Richter
Steadicam Operator
Stephen S. Campanelli
Special Effects Supervisor
Michael Lantieri
Visual Effects Art Director
Claudia Mullaly
Costume Supervisor
Cheryl Beasley Blackwell
Makeup Artist
Cynthia Barr
Cableman
Tove Blue Valentine
Location Manager
Paul Pav
Visual Effects Coordinator
Tina Gonzalez
Set Dressing Artist
Taylor Black
Hairstylist
Susan Schuler-Page
Scenic Artist
Michael Denering
Transportation Coordinator
Dave Robling
Lighting Coordinator
Kevin Arnold
Special Effects Coordinator
Daniel B. Ossello
Color Timer
Mike Milliken
Rigging Grip
Kevin Dean
Production Coordinator
Tara Meaney-Crocitto
Boom Operator
Robert Jackson
Musician
James Thatcher
Art Department Assistant
Eric Sundahl
Grip
Gary A. Beaird
Seth Arnett
Key Hair Stylist
Judith A. Cory
Craft Service
Laurie Gonzales
Post Production Supervisor
Kathleen Jo Stude-Elliott
Production Supervisor
Angela Heald
Unit Production Manager
Continuity
Lissa Ruben
Second Assistant Director
Mark Cotone
Second Second Assistant Director
Laura Nisbet Peters
ADR Mixer
Bob Baron
Assistant Property Master
Craig Raiche
Contact Lens Technician
Renee Napier
Costumer
Mary C. Lane
Concept Artist
Tom Southwell
Foley Mixer
Randy Singer
Second Unit Director
Textile Artist
Lesley Neufeld
ADR Editor
Laura Graham
Storyboard Artist
Sherman Labby
First Assistant Sound Editor
Robert Batha
Foley Artist
Ken Dufva
Second Company Grip
Rusty Reilly
Location Coordinator
Jenny Pont
Local Casting
Carlos Cordero
Focus Puller
Tim Wooster
Second Assistant Camera
Elyse Couvillion
Casting Assistant
Rachel Davies
Assistant Location Manager
Deborah J. Page
Visual Effects Assistant Editor
Saul Saladow
First Company Grip
Bobby Huber
Special Effects Technician
Craig Tex Barnett
Researcher
Deborah Roth
Sound Effects Designer
Nigel Holland
Production Secretary
Belinda Celis
Foley Recordist
Nerses Gezalyan
Assistant Editor
Cary Shott
Assistant Accountant
Patrick R. Siembieda
Digital Compositor
Dorne Huebler
Post Production Coordinator
Sean T. Stratton
Aerial Coordinator
J.W. 'Corkey' Fornof
Foley Supervisor
Pamela Bentkowski
Dolly Grip
Richard L. Carden
Chief Lighting Technician
Larry Wallace
Negative Cutter
Doug Jones
Visual Effects Camera
John Gazdik
Assistant Camera
Louis Niemeyer
Assistant Chief Lighting Technician
William R. Mayberry
Production Assistant
Stiles White
Special Effects
Werner Keppler