How many letters does the top answer for “director of the big bang theory” have?

The most common answer is bialik (6 letters).

Crossword clue: director of the big bang theory

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

bialik 6 letters wd-fact-v3

gilbert 7 letters wd-fact-v3

United States architect who influenced the development of the skyscraper (1859-1934)

lorre 5 letters wd-fact-v3

United States actor (born in Hungary) noted for playing sinister roles (1904-1964)

rauch 5 letters wd-fact-v3

author of the big bang theory 60% similar → bialik

composer of the big bang theory 60% similar → lorre

wrote the big bang theory 60% similar → bialik