How many letters does the top answer for “director of twin peaks” have?

The most common answer is chen (4 letters).

Crossword clue: director of twin peaks

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

chen 4 letters wd-fact-v3

wild goose having white adult plumage

glatter 7 letters wd-fact-v3

director of twins 67% similar → reitman

composer of twin peaks 50% similar → badalamenti, belushi