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| David Amborn | .... | special effects |
| Bill Barschdorf | .... | lead technician: Steve Johnson's XFX, Inc. |
| Kristina Birkmayer | .... | visual effects production coordinator: Steve Johnson's XFX inc. |
| Evan Brainard | .... | lead technician: Steve Johnson's XFX, Inc. |
| John Douglass | .... | technician: Steve Johnson's XFX, Inc. |
| Jeff Edwards | .... | technician: Steve Johnson's XFX, Inc. |
| Eric Fiedler | .... | shop foreman: Steve Johnson's XFX, Inc. |
| James Fredburg | .... | special effects |
| Mark Garbarino | .... | lead technician: Steve Johnson's XFX, Inc. |
| Jim Greenall | .... | technician: Steve Johnson's XFX, Inc. |
| Moto Hata | .... | technician: Steve Johnson's XFX, Inc. |
| Bruce D. Hayes | .... | key mechanical: Steve Johnson's XFX Inc. (as Bruce Hayes) |
| Michael Hosch | .... | technician: Steve Johnson's XFX, Inc. |
| Steve Johnson | .... | visual effects supervisor: Steve Johnson XFX inc. |
| Christian Johnston | .... | technician: Steve Johnson's XFX, Inc. |
| James Kagel | .... | key sculptor: Steve Johnson's XFX, Inc. |
| David Kirk | .... | special effects |
| Thomas D. Krausz | .... | special effects foreman |
| Richard Lopez | .... | special effects |
| Jeffrey Machit | .... | special effects (as Jeff Machit) |
| Bob Marino | .... | technician: Steve Johnson's XFX, Inc. |
| Hal Miles | .... | key mechanical: Steve Johnson's XFX, Inc. (as Hal Miles II) |
| Robert L. Olmstead | .... | special effects (as Robert Olmstead) |
| John Palmer | .... | model shop manager: Wonderworks |
| Brick Price | .... | model shop supervisor: WonderWorks |
| D. Kerry Prior | .... | special effects artist: Dream Quest Images |
| Alan Rifkin | .... | special effects |
| Bob Smithson | .... | technician: Steve Johnson's XFX, Inc. |
| Trey Stokes | .... | NTI movement designer: XFX, Inc. |
| Joseph A. Unsinn | .... | special effects coordinator (as Joe Unsinn) |
| Joe Viskocil | .... | special effects coordinator: Los Angeles (as Joseph Viskocil) |
| John Vivian | .... | technician: Steve Johnson's XFX, Inc. |
| Lisa Welton | .... | technician: Steve Johnson's XFX, Inc. |
| Mark Yuricich | .... | special effects |
| Richard Zarro | .... | special effects |
| Sandy Collora | .... | designer: alien (uncredited) |
| Jon Dawe | .... | mechanical department/models (uncredited) |
| Brian Q. Kelley | .... | assistant special effects: second unit (special edition) (uncredited) |
| Tad Krzanowski | .... | model effects: WKR Productions (uncredited) |
| Donn Markel | .... | special effects technician (uncredited) |
| Steve Sanders | .... | model supervisor (uncredited) |
| Jeff Varga | .... | special effects crew (uncredited) |
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