- Chad Atkinson
- art department: KNB EFX Group
- Howard Berger
- special effects supervisor: KNB EFX Group
- Kamar Bitar
- production supervisor: KNB EFX Group
- Christopher Carlucci
- special effects concepts team
- Diane Carlucci
- special effects administrator
- John C. Carlucci
- special effects supervisor
- Lou Carlucci
- special effects coordinator
- Gino Crognale
- sculptor: KNB EFX Group
- William Dawson
- special effects concepts team
- Michael Deak
- shop foreman: KNB EFX Group (as Mike Deak)
- Rob Derry
- special effects puppeteer
- William Englehart
- special effects concepts team
- Alec Gillis
- creature designer
- Josh Hakian
- special effects
- Chiz Hasegawa
- coordinator: KNB EFX Group
- Beth Hathaway
- fabrication: KNB EFX Group
- Russ Herpich
- special effects concepts team
- Grady Holder
- mold/technical department: K.N.B. EFX Group
- Carey Jones
- art department: KNB EFX Group
- Brian Kinney
- lab department: KNB EFX Group Inc.
- Robert Kurtzman
- special effects supervisor
- Edward Lozano
- special effects concepts team (as Eduardo Lozano)
- Nick Marra
- sculptor: KNB EFX Group
- Mike McCarty
- art department: KNB EFX Group
- Kelly Meenen
- special effects concepts team
- Anthony Montenegro
- special effects concepts team (as Tony Montenegro)
- Joe Montenegro
- special effects technician
- Clare Mulroy
- fabrication: KNB EFX Group
- Greg Nicotero
- supervisor: KNB EFX Group
- James Ochoa
- special effects concepts team
- José Páramo
- special effects concepts team (as Jose Paramo)
- Ben Rittenhouse
- art department: KNB EFX Group
- Wendy L. White
- special effects concepts team
- Tom Woodruff Jr.
- creature designer
- Ben Rittenhouse
- foam department supervisor: KNB Effects Group Inc. (uncredited)