Vince Vieluf, who portrays Blaine Cody, did not appear on any of the film's posters or promotional material, even though he is one of the main characters. This was due to an agent who tried to secure star billing and failed. Vieluf has since fired the agent.
John Cleese plays a character called Donald Sinclair. This was actually the name of the real-life hotel proprietor on whom Cleese's iconic character, Basil Fawlty of Fawlty Towers (1975), was based.
A deleted scene further exaggerated the gambling habits of Sinclair and his associates; this scene featured them playing Monopoly with real money.
During the hot air balloon chase, the spots on the first cow Duane Cody bumps into form a map of the world on its side.
Abdul Goznobi: as an extra in the background wearing a light green shirt, as Nick checks out of the hotel in Vegas.