Character mistake: At their wedding reception when Ginger is talking to Lester on the phone he reminds her of when he watched her as a young "long legged colt." As a juvenile female horse she would have been a long legged filly.
Factual error: About a half hour into the movie, Nicky goes into the sports book to collect. There is a cigarette machine behind him and the price of a pack of cigarettes is marked $2.50 In the 70's a pack of cigarettes was more like one dollar. (00:33:04 - 00:33:35)