Henry named his cat after Clarence Darrow. Darrow was an American lawyer best known for defending John T. Scopes in the infamous "Monkey Trial" against opposing prosecutor Williams Jennings Bryan. Darrow passed away in 1938.
The film began production on April 18, 2005. On March 31, 2006, Lukas Haas (Henry), told an entertainment website that the movie might not find a distributor. On April 6, Box Office Mojo reported that the movie had been bought by MGm, and would be released in August. It was released in 1,500 theaters, and flopped.