- Colin Arthur
- special effects sculpture supervisor
- Robin Beers
- special effects painter
- Joe Brayda
- animatronics engineer
- Antonio Paramo Campos
- chief modeler (as Antonio Paramo)
- Francis Coates
- animatronics model maker
- Steve Cullane
- senior special effects engineer
- Peter Dürst
- special effects buyer
- Ulrich Fickel
- special effects electronic coordinator
- Chris Gant
- assistant special effects technician
- John Gant
- senior special effects technician
- Karlheinz Ganzer
- special effects buyer (as Karl Heinz Ganzer)
- Maja Grassinger
- creature operator coordinator (as Maia Grassinger)
- Ernst Gschwind
- special effects engineer (as Ernst Geschwind)
- Jez Harris
- animatronics engineer
- Ken Herd
- senior special effects engineer
- Kevin Herd
- special effects engineer
- Ron Hone
- special effects engineering supervisor
- Guy Hudson
- senior special effects technician
- Brian Johnson
- director of special effects
- Bob Keen
- animatronics engineer
- Helmut Klee
- senior special effects technician
- Paul Knowles
- senior special effects engineer
- Phil Knowles
- special effects supervisor: main unit (as Philip Knowles)
- Wolfgang Lempp
- special effects electronic design engineer
- Bodo Marquardt
- special effects electronic engineer
- MarÃa Luisa Pino
- latex specialist (as Maria Pino)
- Alan Poole
- special effects technician
- Hugo Reveley
- assistant special effects technician
- Carlos Rojo
- molder (as Carlos Rojo Del Rey)
- Michael Rotter
- molder
- Pit Rotter
- special effects buyer (as Peter Rotter)
- Vincent R. Rotter
- special effects sculptor
- Josef Schmid
- special effects engineer
- Claudia Maria Luise Schumann
- pyrotechnic effects
- Fritz Segl
- molder
- Neil Swan
- senior special effects technician
- Nigel Trevessey
- animatronics engineer
- Jan Valach
- sculptor and creature builder
- Vladimir Valach
- sculptor and creature builder
- Avril Vellacott
- special effects sculptor
- Richard Watkinson
- special effects painter
- Karl Weinert
- molder
- Twyla Weixl
- assistant: Brian Johnson
- Michael White
- special effects supervisor
- Michael White
- supervisor: cloud effects unit (as Mike White)
- Barry Whitrod
- special effects supervisor: second unit
- Dorothy Arthur
- Sculptor (uncredited)
- Karin Hanson
- special effects hair (uncredited)
- Herbert Labusga
- sculptor and creature builder (uncredited)
- Carlo Rambaldi
- special effects (uncredited)
- John Schoonraad
- animatronic mouldmaker: head of department (uncredited)
- Giuseppe Tortora
- chief animatronics engineer: mechanical special effects creatures (uncredited)