special effects makeup artist
lab technician: Mechanical and Makeup Imageries Inc.
ghoulies designer and supervisor: Mechanical and Makeup Imageries Inc. (as John Buechler)
creature location team: Mechanical and Makeup Imageries Inc. (as Bill Butler) / lab technician: Mechanical and Makeup Imageries Inc. (as Bill Butler)
animatronics: Mechanical and Makeup Imageries Inc. / creature location team: Mechanical and Makeup Imageries Inc.
creature location team: Mechanical and Makeup Imageries Inc. (as Mike Deak) / lab technician: Mechanical and Makeup Imageries Inc. (as Mike Deak)
modeler: Mechanical and Makeup Imageries Inc.
specialty costume fabricator: Mechanical and Makeup Imageries Inc. (as Lynette Johnson)
creature location team: Mechanical and Makeup Imageries (as Tom Floutz) / lab technician: Mechanical and Makeup Imageries (as Tom Floutz)
creature location team: Mechanical and Makeup Imageries Inc. (as Ken Hall) / shop foreman: Mechanical and Makeup Imageries Inc. (as Ken Hall)
lab technician: Mechanical and Makeup Imageries Inc. (as Eryn Krueger)
on-set effects supervisor (uncredited)