Related Clues:

• Futuristic unpaid worker
• Nonnative
• From another planet
• Auto plant worker
• One with a big head?
• Out of this world?
• UFO occupant
• Deep-sea explorer, at times
• Worf or Troi, e.g.
• Arnold's Terminator, e.g.
• Weaver's work
• Ufologist's study
• Genetic surprise
• UFO passenger
• Klingon, e.g.