How many letters does the top answer for “composer of a clockwork orange” have?

The most common answer is burgess (7 letters).

Crossword clue: composer of a clockwork orange

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

burgess 7 letters wd-fact-v3

a citizen of an English borough

author of a clockwork orange 50% similar → burgess, kubrick

director of a clockwork orange 50% similar → kubrick

wrote a clockwork orange 50% similar → burgess, kubrick