Hotel for Dogs (film) their personality." Freudenthal said that he deliberately chose both very small and very large dogs to create a contrast similar to the characters of Lenny and George in the John Steinbeck novella "Of Mice And Men". The majority of the dogs cast were rescues. The lead dog, who plays Friday, was rescued about six months before shooting began. Crew members also helped to find adoptive homes for the abandoned dogs and several adopted dogs themselves. A Hollywood animal trainer, Mark Forbes, was hired to prepare the dogs before shooting began. Forbes and his team began working with the dogs about
John Steinbeck who would go on to write a classic early textbook on ecology. Ricketts became a proponent of ecological thinking, in which man was only one part of a great chain of being, caught in a web of life too large for him to control or understand. Meanwhile, Ricketts operated a biological lab on the coast of Monterey, selling biological samples of small animals, fish, rays, starfish, turtles, and other marine forms to schools and colleges. Between 1930 and 1936, Steinbeck and Ricketts became close friends. Steinbeck's wife began working at the lab as secretary-bookkeeper. Steinbeck helped on an informal basis.