- Peter A. Chevako
- lead puppeteer
- Patrick Comerford
- lead puppeteer
- Jerry Constantine
- special effects
- Dan Crawley
- mechanical effects
- Michael Del Rossa
- special effects technician
- Paul Dunn
- special effects supervisor
- Wilma Dunn
- special effects coordinator
- Damian Fisher
- mold maker / special effects technician
- Tony Gardner
- animatronic effects / special effects supervisor
- Andy Garner
- prosthetic makeup effects artist
- Chris Hampton
- special effects technician
- Barnaby Harrison
- lead puppeteer
- Vance Hartwell
- special effects
- Laurence Harvey
- special effects technician
- Timothy Huizing
- puppeteer
- Mark Hunter
- special animatronic effects technician
- Lucian Iordache
- special effects supervisor
- Anthony Julio
- special effects technician
- Carol Koch
- sculptor
- Donald Krause
- animatronics technician
- Kristen Lobstein
- special effects technician
- Bob Mano
- mechanical department: Film Illusions Inc.
- Luke Marcel
- special effects technician
- Conor McCullagh
- special effects (as Connor McCullagh)
- Charlie Olsen
- special effects technician
- Ionel Popa
- special effects technician
- Lynn Robertson Bruce
- special effects puppeteer
- Russell Shinkle
- animatronic effects supervisor: Film Illusions Inc.
- David W. Smith
- sculptor (as David Smith)
- Paul Sutt
- special effects
- Mario Torres Jr.
- puppets / sculptor
- Jason Troughton
- special effects senior technician
- Cari Finken
- special effects technician (uncredited)
- Frank Marano
- special effects (uncredited)
- Greg McDougall
- special effects technician (uncredited)