How many letters does the top answer for “wrote the family man” have?

The most common answer is cage (4 letters).

Crossword clue: wrote the family man

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

cage 4 letters wd-fact-v3

an enclosure made or wire or metal bars in which birds or animals can be kept

author of the family man 50% similar → cage

director of the family of man 50% similar → steichen

wrote a man of the people 50% similar → achebe

wrote amphibian man 50% similar → belyayev

wrote dead man 50% similar → jarmusch

wrote delivery man 50% similar → vaughn

wrote family plot 50% similar → hitchcock

wrote fate of a man 50% similar → sholokhov