The clue “Mr. ___ (secret agent in 1930s movies)” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated October 19 2026, the definitive 4-letter answer is: MOTO.
Expert Tip: When you’re stuck, try to analyze the structure of the clue itself. Is it a direct definition, a pun, a fill-in-the-blank, or a pop culture reference? Identifying the type of clue you’re dealing with is a key skill for improving your solving speed.