The Caddyshack director is Harold Ramis, a five-letter name. Ramis was an American actor, director, writer, and comedian who was best known for his work in the Ghostbusters franchise and National Lampoon's Vacation. He directed the 1980 comedy classic Caddyshack, which starred Bill Murray, Chevy Chase, and Rodney Dangerfield. The film was a huge success and is considered one of the greatest comedies of all time.