1. Nicolas Kim Coppola also drank wildly in order to play this role and went to the hospital to visit alcoholics. Elizabeth Shu met some prostitutes and chatted with them in a strip club in Las Vegas.
2. John Obrian, the author of the original novel of the film, committed suicide two weeks after filming started. Director Mike Feggis once wanted to abandon the filming plan, but later decided that the film was the best memorial to O'Brien and decided to shoot.
3. Since there was no permission to shoot on the street, many shots shot on the street were passed at once to prevent the police from being recruited.
4. In the film, Nicolas Kim Coppola and Elizabeth Shure lie by the swimming pool of the Desert Hotel and watch the movie "The Third Party" directed by Orson Welles.
