How many letters does the top answer for “director of finding dory” have?

The most common answer is elba (4 letters).

Crossword clue: director of finding dory

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

elba 4 letters wd-fact-v3

hader 5 letters wd-fact-v3

have or possess, either in a concrete or an abstract sense

composer of finding dory 50% similar → elba

director of finding nemo 50% similar → gould