Related Clues:

• Martian or Venusian
• Roswell visitor
• Saucer pilot
• Bomb squad member
• Not of this world
• Little green man
• Visitor from space
• Certain factory worker
• One with abs of steel?
• Concern of 23-Across
• Saucer flier
• ___ being
• "Star Trek" extra
• Not from here
• Spaceship passenger