How many letters does the top answer for “director of 2001: a space odyssey” have?

The most common answer is kubrick (7 letters).

Crossword clue: director of 2001: a space odyssey

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

kubrick 7 letters wd-fact-v3

United States filmmaker (born in 1928)

author of 2001: a space odyssey 50% similar → clarke, kubrick

director of lost odyssey 50% similar → inoue

wrote 2001: a space odyssey 50% similar → clarke, kubrick