How many letters does the top answer for “wrote the glass menagerie” have?

The most common answer is williams (8 letters).

Crossword clue: wrote the glass menagerie

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

williams 8 letters wd-fact-v3

United States playwright (1911-1983)

wrote glass 67% similar → shyamalan

author of the glass menagerie 50% similar → williams

wrote the glass key 50% similar → hammett