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| Enrique Bilsland | .... | animatronics: Steve Johnson's XFX Group |
| R. Michael Bisetti | .... | special effects: F/X Concepts, Inc. (as Michael Bisetti) |
| Diane Carlucci | .... | special effects administrator: F/X Concepts, Inc. |
| John C. Carlucci | .... | special effects: F/X Concepts, Inc. |
| Lou Carlucci | .... | special effects supervisor: F/X Concepts, Inc. |
| Michael Clarke | .... | special effects: F/X Concepts, Inc. (as Michael J. Clarke) |
| William Dawson | .... | special effects: F/X Concepts, Inc. |
| Eric Dressor | .... | special effects: F/X Concepts, Inc. |
| Dan Edwards | .... | special effects: F/X Concepts, Inc. |
| Ethel Edwards | .... | special effects: F/X Concepts, Inc. |
| Bernard Eichholz | .... | lead artist: Steve Johnson's XFX Group (as Bernie Eichholz) |
| Fernando Favila | .... | animatronics coodinator: Steve Johnson's XFX Group |
| Bill Fesh | .... | lab technician: Steve Johnson's XFX Group |
| Jim Girch | .... | special effects: F/X Concepts, Inc. (as James Girch) |
| Timothy B. Graham | .... | special effects: F/X Concepts, Inc. (as Tim B. Graham) |
| Glen Hanz | .... | sculptor: Steve Johnson's XFX Group (as Glenn Hanz) |
| Richard L. Hill | .... | special effects: F/X Concepts, Inc. (as Richard Hill) |
| Doug Hubbard | .... | special effects: F/X Concepts, Inc. (as Eugene D. Hubbard) |
| James Lacroix | .... | special effects: F/X Concepts, Inc. (as James La Croix) |
| Louis Lindwall | .... | special effects: F/X Concepts, Inc. |
| Jeffrey Machit | .... | special effects: F/X Concepts, Inc. (as Jeffrey C. Machit) |
| Al Marangoni | .... | special effects: F/X Concepts, Inc. (as Albert Marangoni) |
| Wes Mattox | .... | special effects: F/X Concepts, Inc. |
| Barry McQueary | .... | special effects: F/X Concepts, Inc. |
| David Monzingo | .... | painter: Steve Johnson's XFX Group |
| Bob Newton | .... | animatronics coodinator: Steve Johnson's XFX Group |
| Vincent Niebla | .... | lead painter: Steve Johnson's XFX Group (as Vince Niebla) |
| James Ochoa | .... | special effects: F/X Concepts, Inc. (as James Allen Ochoa) |
| Ron Petruccione | .... | special effects: F/X Concepts, Inc. |
| Dan Rebert | .... | special effects supervisor: Steve Johnson's XFX Group |
| Don Rutherford | .... | painter: Steve Johnson's XFX Group |
| Ric San Nicholas | .... | special effects (as Rick San Nicholas) |
| Steve Shubin Jr. | .... | thermal plastic engineer: Steve Johnson's XFX Group |
| Steve Sosner | .... | special effects: F/X Concepts, Inc. |
| Brett Stern | .... | lab technician: Steve Johnson's XFX Group (as Bret Stern) |
| Ken Tarallo | .... | special effects: F/X Concepts, Inc. |
| Rick Thompson | .... | special effects: F/X Concepts, Inc. (as Rick Thompsen) |
| Blumes Tracy | .... | special effects: F/X Concepts, Inc. |
| Tony Vandenecker | .... | special effects: F/X Concepts, Inc. (as Tony Vandernecker) |
| Mario Vanillo | .... | special effects: F/X Concepts, Inc. (as Mario Vernillo) |
| Karl Walser | .... | special effects: F/X Concepts, Inc. |
| Damian Fisher | .... | special effects technician (uncredited) |
| David Greathouse | .... | special effects makeup (uncredited) |
| Dennis Yeager II | .... | special effects technician (uncredited) |
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