- The number one male protagonist Daniel Radcliffe suddenly changed his voice in the middle of the second episode, and later it was resolved through some technical processing, and it would not have to be dubbed again.
- Most of the indoor scenes in the film were completed in a studio converted from an abandoned airport on the outskirts of London. It is said that there are 22 studios in this hidden hangar, and the crew of "Harry Potter" was contracted 17 of them.
- In order to film the scene where Ron and Potter drove a flying car to the magic school, the crew used 14 identical vintage cars to meet the shooting needs of different angles.
- In order to highlight the vanity of Professor Lockhart, the director Columbus and the original author, Ms. Rowling, discussed together, personally designed a variety of silk clothing-based models for the role, and the colors reveal a secular glitz. the taste of.
- The moving portraits that appeared in the hallway of the Hogwarts student dormitory are said to be drawn by the crew on-site and drawn by the behind-the-scenes staff, such as dramatists, lighting artists, make-up artists, etc., as models.
- Hugh Grant was the first candidate to play Lockhart, and later he withdrew due to a contract conflict. Later, Alan Cumming was also the candidate to play Lockhart.
- Although the 23-year-old Christian Coulson was beyond the audition age (15-17 years old) for the role of Tom Ledo, he eventually took the lead.
- The blue Ford Anglia in the film is exactly the same as the car the original author J.K. Rowling ridden in school when he was a child.
- Due to contract conflicts, John Williams was unable to complete the complete soundtrack for the film. Later, William Rose was responsible for adapting Williams's work, and was the conductor of the symphony orchestra during recording.
- Richard Harris died a few weeks before the film was released.
Harry Potter and the Chamber of Secrets behind the scenes gags
Harry Potter and the Chamber of Secrets quotes
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Harry: Remember what Aragog said about that girl 50 years ago? She died in a bathroom. What if she never left?
Ron: Moaning Myrtle!
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Dumbledore: You both realize, of course, that in the past few hours you have broken perhaps a dozen school rules.
Harry, Ron: Yes, sir.
Dumbledore: And that there is sufficient evidence to have you both expelled.
Harry, Ron: Yes, sir.
Dumbledore: Therefore, it is only fitting that you both receive...
[beams]
Dumbledore: Special Awards for Services to the School.