How many letters does the top answer for “author of apocalypse now” have?

The most common answer is brando (6 letters).

Crossword clue: author of apocalypse now

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

brando 6 letters wd-fact-v3

coppola 7 letters wd-fact-v3

United States filmmaker (born in 1939)

hopper 6 letters wd-fact-v3

funnel-shaped receptacle; contents pass by gravity into a receptacle below

author of the power of now 50% similar → tolle

director of apocalypse now 50% similar → hopper

wrote apocalypse now 50% similar → brando, coppola, hopper