James Belohovek ... special prosthetics, mechanical devices and house miniatures: Alterion Studios, Inc.

Barry Crane ... puppets and prosthetics ceator: "Thing" and "Pubert", David B. Miller Studio

Albert Delgado ... special effects supervisor

Mike Elizalde ... mechanical designer

Eric Fiedler ... special prosthetics, mechanical devices and house miniatures: Alterion Studios, Inc.

Scott Forbes ... special effects technician / special effects (as Scott E. Forbes)

Tony Gardner ... special prosthetics, mechanical devices and house miniatures: Alterion Studios, Inc.

Vance Hartwell ... special prosthetics, mechanical devices and house miniatures: Alterion Studios, Inc.

Gary L. Karas ... special effects

Michael Levitre ... puppets and prosthetics ceator: "Thing" and "Pubert", David B. Miller Studio (as Michael LeVitre)

Frank Charles Lutkus III ... puppets and prosthetics ceator: "Thing" and "Pubert", David B. Miller Studio (as Charles Lutkus)

John Mauvezin ... special prosthetics, mechanical devices and house miniatures: Alterion Studios, Inc.

Dave Nelson ... puppets and prosthetics ceator: "Thing" and "Pubert", David B. Miller Studio (as David Nelson)

Carolyn Oros ... special effects technician

Brian Penikas ... special prosthetics, mechanical devices and house miniatures: Alterion Studios, Inc.

Jeff Pepiot ... special effects

Ken Pepiot ... special effects coordinator (as Kenneth D. Pepiot)

Gintar Repecka ... special effects foreperson

V. Jude Ruta ... puppets and prosthetics ceator: "Thing" and "Pubert", David B. Miller Studio (as Jude Ruta)

Greg Solomon ... special effects makeup

Robert Cole ... special effects (uncredited)

Carol Koch ... cosmetic finish (uncredited)

Becky Ochoa ... special effects (uncredited)

Gary Pawlowski ... special effects technician: David B. Miller Studio (uncredited)