Related Clues:

• Border crosser
• 1979 sci-fi thriller
• Ocean phenomenon
• Nonnative
• From another planet
• One with a big head?
• Out of this world?
• UFO occupant
• Cheer competition
• Worf or Troi, e.g.
• Surfer's concern
• Weaver's work
• Tendency
• Ufologist's study
• UFO passenger