Visible crew/equipment: Near the end of the film after Depp leaves the castle after shooting Balkin and gets into his car you can see a crew member in the side view mirror as Depp opens and closes the driver side door.
The Ninth Gate (1999)
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Directed by: Roman Polanski
Starring: Johnny Depp, Frank Langella, Lena Olin, Emmanuelle Seigner
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More mistakes in The Ninth Gate
Boris Balkan: Behold, I plunge my hands in fire! I feel no heat.
Dean Corso: That's just great! Give us another.
Trivia: Emmanuelle Seigner, who is playing 'the girl,' is actually the wife of the director Roman Polanski.
Question: At the end of the movie, what was the light seen at the castle and where does it lead?
Answer: Lucifer was also known as the morning star. Depending on your view he passed the trial and was granted entrance through the ninth gate.