How many letters does the top answer for “director of quiz show” have?

The most common answer is turturro (8 letters).

Crossword clue: director of quiz show

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

turturro 8 letters wd-fact-v3

director of that '70s show 67% similar → prepon

director of the cosby show 50% similar → alexander, pulliam