Related Clues:

• Martians, e.g.
• Extrinsic
• Xenophile's friend
• Certain celeb news shows
• Sci-fi villains, for short
• Sci-fi visitor
• S.A.T. company
• 'The Phantom Menace' creations
• Foreigner
• Neptunians and others
• Klingons, e.g.
• Not from Earth
• S.A.T. org.
• 'Star Wars' walk-ons
• 'The X-Files' extras, briefly