- Peter Abrahamson
- puppeteer
- Renata Adamidov
- assistant: Mr. Avnet
- Terry Ahue
- marine unit coordinator: Hawaii
- John Alexander
- gorilla choreographer
- Saundra Marie Ardito
- assistant accountant: San Francisco (as Saundra Ardito)
- Sibi Blazic
- assistant: Mr. Kerner
- Susan Bradley
- title designer
- Scott Brede
- production assistant: Hawaii
- Julianne Buescher
- puppeteer
- Jack Cambra Jr.
- production assistant: Hawaii
- Andre Campbell
- production assistant: second unit (as André Campbell)
- Barbara Casner
- assistant production coordinator
- John Catron
- second assistant accountant
- Carol Chacamaty
- administrator: AKCO
- Michael Chacamaty
- production assistant
- Gil Correa
- puppeteer
- Duke Cullen
- puppeteer (as Duke K.W. Cullen)
- Louise DeCordoba
- production accountant: second unit
- Blanche Aurore Duault
- publicist
- Bob Dunn
- animal trainer: chimpanzee and orangutan
- Linda Dunn
- animal trainer: chimpanzee and orangutan
- Melinda Eichberg
- animal trainer: chimpanzee and orangutan
- Kenneth England
- production assistant: second unit
- Michael Estrella
- production assistant
- Tom Fisher
- gorilla suit performer
- Hugh Fitzpatrick
- production assistant: second unit
- Mark Forbert
- marine coordinator: second unit
- Christine Gaiman
- assistant: Mr. Kerner (as Chris Gaimin)
- Mara Gellman
- assistant: Mr. Weisman
- Gary Gero
- animal coordinator
- Mari Gill
- production assistant
- Judy Glassey
- animal handler: lions
- Rick Glassey
- animal trainer: lions (as Rick Glassy)
- Philip Goglia
- personal trainer: Brendon Fraser (as Phillip Goglia)
- Ben Good
- production assistant: second unit
- Edward Gumienik III
- production assistant (as Eddy Gumienik)
- Thomas L. Gunderson
- head animal trainer: primates
- Michael Hackenberger
- animal trainer: lions
- Ronald E. Hairston
- craft service
- Nicole P. Hearon
- production assistant
- Peter Hurst
- puppeteer
- Christy Ingram
- animal handler: chimpanzee and orangutan
- Ruth Irvine-Hauer
- assistant: Mr. Devlin
- Jeanne Ishikawa
- assistant production coordinator: Hawaii
- Michel Jackson
- assistant production coordinator: San Francisco
- Carri Johnson
- animal handler: elephant
- Gary Johnson
- animal handler: elephant
- Jeff Johnson
- marine coordinator: second unit (as Captain Jeff Johnson)
- Linden Johnson
- first assistant accountant (as Linden Wineland Johnson)
- Rodney Johnson
- personal trainer: Brendon Fraser
- George A.S.K. Kahawaii
- water safety: Hawaii
- Leanne Kang-Ferrer
- production secretary: Hawaii
- Tracy L. Kettler
- production coordinator
- Brian Keyser
- production assistant: second unit
- John Brian King
- additional title designer (as Brian King)
- Madeleine Klein
- animal handler: chimpanzee, orangutan and terrier
- Mark Knutson
- skydiving supervisor (as Mark "Shoobi" Knutson)
- Bob Kurtz
- opening title designer
- David R. Lawson
- medic
- Daryl C. Lefever
- assistant accountant: second unit
- David Linck
- unit publicist
- Pons Maar
- puppeteer
- Kerric MacDonald
- production assistant
- April Mackin
- animal trainer: toucan and monkeys
- Larry Madrid
- head animal trainer
- Jean Maninger
- assistant: Mr. Arkoff (as Jean M. Maninger)
- Kirston Leigh Mann
- stand-in: Leslie Mann (as Kirsten Mann)
- Guy Manos
- skydiving supervisor
- Connie McAloney
- post production accountant
- Rob McCabe
- stand-in: Brendan Fraser
- Michael McCormick
- production accountant
- Kevin McNamara
- production assistant: second unit
- Jeff Morse
- production assistant: second unit
- Angaluki Muaka
- translator: Swahili
- Rick Nyberg
- animal handler: chimpanzee and orangutan
- Kristin Parker
- assistant: Mr. Hoberman
- Larry Payne
- animal trainer: toucan and monkeys
- Mariko Phillips
- production assistant: second unit, Hawaii
- Roger Potter
- production assistant: Hawaii
- Bill Rivers
- owner and trainer: horses
- Tim Rivers
- animal trainer: horses
- Charlie Sammut
- animal trainer: lions
- Heather Sands
- assistant production coordinator
- Mike Scanlan
- puppeteer (as Michael Scanlan)
- Adam Shankman
- choreographer
- Triby Sheeser
- assistant: Mr. Hoberman (as Trilby Sheeser)
- David Simmons
- production assistant: Hawaii (as David A. Simmons)
- Michelan Sisti
- puppeteer
- B.J. Smith
- on set medic
- Joanne Smith
- animal wrangler: elephant
- Jody St. Michael
- gorilla suit performer
- Kerry Stanwyck
- production coordinator: second unit
- Philip Tan
- gorilla suit performer
- Leif Tilden
- gorilla suit performer
- Alison Treleaven
- assistant: Mr. Kerner
- Robert Tygner
- puppeteer: ape
- Michael Vorndran
- production secretary
- Tiffany Ward
- consultant
- James P. Warren
- animal trainer: toucan and monkeys (as Jim Warren)
- Jennifer Wilson
- production assistant
- Amy Young
- pyro & stunt safety assistant
- Robert 'Bobby Z' Zajonc
- aerial coordinator: second unit (as Robert 'Bobby Z' Zajonc) / aerial flight coordinator (as Robert 'Bobby Z' Zajonc)
- Julie Zelman
- assistant: Mr. Fraser (as Julie Zellman)
- Katherine Zilavy
- assistant production coordinator: second unit
- Neil Clark
- computer graphic artist (uncredited)
- Illya Friedman
- production assistant: second unit (uncredited)
- Ronald Hairston Jr.
- craft service (uncredited)
- Jean Hodges
- food stylist (uncredited)
- Lizette Jamison
- production assistant (uncredited)
- Don LaFontaine
- trailer voice over (uncredited)
- Neal Naito
- production assistant (uncredited)
- Ahmed Saker
- construction medic (uncredited) / key set medic (uncredited)