How many letters does the top answer for “wrote henry v” have?

The most common answer is olivier (7 letters).

Crossword clue: wrote henry v

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

olivier 7 letters wd-fact-v3

English actor best know for his Shakespearean roles (1907-1989)

author of henry v 50% similar → olivier

director of henry v 50% similar → olivier

wrote henry iv 50% similar → pirandello