The crossword solutions for the term FILMMAKER ALLEN are IRWIN. Irwin Allen was an American film and television producer, director, and writer. He is best known for his science-fiction films such as The Poseidon Adventure, The Towering Inferno, and The Swarm. He also produced the television series Voyage to the Bottom of the Sea, Lost in Space, and Land of the Giants. Allen was one of the most prolific filmmakers of the 1960s and 1970s.