How many letters does the top answer for “wrote the hidden fortress” have?

The most common answer is kurosawa (8 letters).

Crossword clue: wrote the hidden fortress

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

kurosawa 8 letters wd-fact-v3

Japanese filmmaker noted for blending Japanese folklore with western styles of acting (1910-1998)

author of the hidden fortress 50% similar → kurosawa

director of the hidden fortress 50% similar → kurosawa

wrote digital fortress 50% similar → brown