In the scene in the restaurant where Tom Cruise and Dustin Hoffman are trying to order breakfast, Hoffman's character fixes the salt and pepper shaker a certain way. In the next shot they are opposite the way he fixed them. Then in the next shot they are back to the way he had fixed them.
The black jack dealer, played by Nick Mazzola, is a popular dealer. He was also the dealer in "MacShayne's", "Vegas Vacation", and "Casino".