Adam Sandler was the first candidate to play Max.
The film is Tom Cruise's first attempt to play the villain on the screen.
Cuban Godin Jr. originally wanted to play Max, but director Michael Man thought he and Tom Cruise had already collaborated on "Mr. Sweetheart" and should not cooperate again.
In order to help Tom Cruise and Jamie Fox play better roles, Michael Mante compiled a file of the two people, which even contains information on how Vincent started to like jazz music.
Val Kilmer was the original candidate to play Detective Fanning, but he withdrew before the filming because of a conflict with the shooting time of "Alexander the Great".
Hans Zmir was expected to score the film and was later replaced by.
Frank Darabont completed a script in September 2000, but when Michael Mann was identified as the director of the film, the script was immediately rewritten.
Russell Crowe had hoped to play Vincent in the film, but gave up because of the filming plan with Nicole Kidman.
The original setting in the script takes place in Manhattan, New York.
The beginning of the film is very different. There is no title or credits. Only in the ending subtitles do you see "Directed By Michael Mann", and the title does not appear at the end.
Both Colin Farrell and Edward Norton were invited to play Vincent.
According to Michael Mann, Vincent is a person who can not be remembered and recognized in any occasion and place. In order to practice this skill, Tom Cruise must move around Los Angeles. The downtown area did not recognize FedEx’s work.
Three weeks after the filming started, photographer Paul Cameron withdrew from shooting due to differences of opinion.
The silent pistol used by Vincent in the film is the Ruger Mk III.22 pistol.
Initially, the screenwriter Stuart Beatty wanted Robert De Niro to play Max because he wanted him to play the taxi driver again, but the producer insisted that young actors play it.
In the scene of the side impact, Jamie Fox did crash into the car.
The film starts at the airport and ends at the subway, and Michael Mann's 1995 "The Fire Line" starts with the subway and ends with the airport.
Before Michael Man was identified as the director, Spike Lee, Martin Scorsese and Stephen Spielberg were all candidates for directors.
Tom Cruise uses a Nokia 6800 mobile phone in the taxi.
Brazilian director Fernando Merrills was also the candidate for director of the film.
The crew used a total of 17 taxis during the filming period. For different framing needs, many cars have different facilities removed, and some do not need to be driven in order to shoot the inside of the car.
Knowing that standard 35mm film could not capture the vivid night scenes of Los Angeles, Michael Man decided to shoot with a Viper FilmStream digital camera, and he became the first person to use this digital camera to shoot mainstream movies.
