Related Clues:
- Very strange
- Many a slimy movie monster
- Earth, for one
- Sci-fi stranger
- UFO pilot
- Sigourney Weaver thriller
- Otherworldly visitor
- Green-card holder
- Xenophobe's bugaboo
- "___, won't you?" (query from old commercials for The Jetsons)
- Film that happens aboard the Nostromo
- Tabloid photo subject
- Pluto, until recently
- Not of this earth
- Sigourney Weaver classic