- Anthony Allen Barlow
- creature effects: art crew (as Alan Barlow)
- Bill Basso
- creature effects: art crew
- Nick Benson
- special effects
- Paul Berg
- creature effects: art crew
- Howard Berger
- creature effects crew
- Martin Bresin
- special effects coordinator (as Marty Bresin)
- Rob Burman
- creature effects: art crew
- Noel Butcher
- effects man: MB Special Effects
- Jim Carson
- creature effects: art crew
- Dave Chamberlain
- creature effects: art crew (as David Chamberlain)
- David Chameides
- special effects crew
- Mitchell J. Coughlin
- creature effects: art crew
- Dale Ettema
- effects man: MB Special Effects
- Steve Frakes
- creature effects: art crew
- Linda Frobos
- creature effects: art crew
- Alec Gillis
- creature effects designer and creator
- Robert Kurtzman
- creature effects: art crew
- Andrew Miller
- special effects foreman
- David B. Miller
- creature effects: art crew
- Donald Myers
- special effects technician
- Mark Rappaport
- special creature effects
- Kevin Reter
- creature effects: art crew
- Michael Roundy
- effects man: MB special effects
- Michael Schorr
- special effects foreman: MB Special Effects (as Mike Schorr)
- Stephan Schultze
- creature effects: art crew (as Stephen Schultze)
- Shaun Smith
- creature effects: art crew
- Carl Sorensen
- creature effects: art crew
- Michael Spatola
- creature effects: art crew
- David Stinnett
- creature effects: art crew
- Ken Tarallo
- special effects
- John Teska
- special creature effects: ADI
- Mark Bryan Wilson
- creature effects: art crew
- Tom Woodruff Jr.
- creature effects designer and creator
- Robin L. D'Arcy
- special effects coordinator (uncredited)