How many letters does the top answer for “author of reservoir dogs” have?

The most common answer is keitel (6 letters).

Crossword clue: author of reservoir dogs

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

keitel 6 letters wd-fact-v3

tarantino 9 letters wd-fact-v3

United States filmmaker (born in 1963)

author of dog years 50% similar → grass

author of straw dogs 50% similar → peckinpah

author of the dogs of riga 50% similar → mankell

author of the heart of a dog 50% similar → bulgakov

wrote reservoir dogs 50% similar → keitel, tarantino