- Norman Baillie
- workshop supervisor
- Nigel Booth
- creature effects crew
- Ron Burton
- senior special effects technician
- Trevor Butterfield
- creature effects crew
- Julian Caldow
- creature effects crew
- Ron Cartwright
- senior special effects technician
- Philomena Davis
- creature effects crew
- Michael Dunleavy
- senior special effects technician
- Greg Figiel
- creature effects crew (as Gregory Figiel)
- Nick Finlayson
- senior special effects technician
- Alec Gillis
- coordinator: creature effects
- Graham High
- creature effects crew
- Dave Keen
- creature effects crew (as David Keen)
- Richard J. Landon
- coordinator: creature effects (as Richard Landon)
- Rick Lazzarini
- creature effects crew
- Ray Lovell
- creature effects crew
- Lindsay MacGowan
- creature effects crew (as Lindsay McGowan)
- Shane Mahan
- coordinator: creature effects
- John Morris
- senior special effects technician
- Ken Morris
- senior special effects technician
- Stephen Norrington
- creature effects crew
- Christine Overs
- creature effects crew
- Peter Pickering
- senior special effects technician
- John Richardson
- special effects supervisor
- John Robertson
- creature effects crew
- Ian Rolph
- creature effects crew
- Matt Rose
- creature effects crew
- John Rosengrant
- coordinator: creature effects
- Bill Sturgeon
- creature effects crew
- Willie Whitten
- creature effects crew
- Paul Whybrow
- senior special effects technician
- Joss Williams
- senior special effects technician
- Mark Williams
- creature effects crew
- Stan Winston
- alien effects created by
- Tom Woodruff Jr.
- coordinator: creature effects
- James Belohovek
- miniature effects supervisor (uncredited)
- Howard Berger
- sculptor (uncredited)
- Michael Burnett
- miniature effects unit (uncredited)
- Dave Chagouri
- special effects (uncredited)
- Ashish Chanana
- special effects (uncredited)
- Simon Cockren
- special effects assistant (uncredited)
- Edward J. Franklin
- special effects crew (uncredited)
- Matthew Harlow
- special effects technician (uncredited)
- Simon Hewitt
- video effects technician (uncredited)
- Garth Inns
- special effects crew (uncredited)
- Steven James
- creature effects crew (uncredited)
- Adam Jones
- sculptor (uncredited)
- Crit Killen
- miniatures (uncredited)
- Hal Millar
- special effects (uncredited)
- Mike Minjoodt
- creature effects crew (uncredited)
- Brian Penikas
- creature effects crew (uncredited)
- Anton Prickett
- special effects technician (uncredited)
- Tim Turner
- miniature effects assistant (uncredited)
- Andy Williams
- special effects technician (uncredited)
- Steven Woodcock
- model maker (uncredited)