- The germ from space cost $250,000 to create in special effects.
- The Wildfire scientific lab sets cost more than $300,000 to build, and were described at the time as "one of the most elaborately detailed interiors ever built."
- The Central Core set required the digging of a 70 ft deep by 30 ft wide hole in a soundstage.
- In the novel, the character of Leavitt is a man, but is a woman (played by 'Reid, Kate' ) in the film.
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