Ben Stein reprises his role of Dr. Arthur Neuman from the original film. He is involved in the movie to re-establish the relationship between the mask and its creator, Loki. He is the only actor to appear in both films as well as in . The dog's name, Otis, connects with the dog from the original film and comic book, Milo, as a reference to the movie "The Adventures of Milo and Otis". The naming of "Tim Avery" pays homage to famous cartoonist Tex Avery. Tim Avery wants to be a cartoonist throughout the film. The film was shot at Fox Studios in Sydney. Principal photography began on August 18, 2003.