Top Secret!

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Across
  1. 4. "Play well," loosely in Danish.
  2. 6. Ronald Mc-What?
  3. 8. You'd do best to keep him away from the dog bowl.
  4. 9. Fleming, of Bond fame.
  5. 11. Maybe the worst Henry?
  6. 14. Emmy Award winning HBO show starring Bill Hader
  7. 16. The Highest elected official in the land.
  8. 19. Fifth book of the New Testament.
Down
  1. 1. The base for homemade molasses is this sugar.
  2. 2. Layman's cranium
  3. 3. Kilmer's Genius
  4. 5. Gladys, Green, or Rider.
  5. 7. Youngest of the Brontë literary sisters.
  6. 10. Hemmingway's headache.
  7. 12. Armstrong's Operation in 1988.
  8. 13. A walk that could earn you a ticket.
  9. 15. Though not an island, still the smallest of it's type.
  10. 16. Preferred soda of Primus?
  11. 17. How Beastie Boys communicate.
  12. 18. In its own game, a spade does this to other suits.