Trivia: The candles that light instantly as they come out of the water in the Phantom's Lair were not done by computers- special candles were used that were sensitive to air. Luckily, the scene went well and the actors didn't mess up, as when they tried to re-shoot the scene, the candles didn't work a second time.
Trivia: In Carlotta's dressing room there is a large portrait of Carlotta holding Andrew Lloyd Webber's head on a plate.
Trivia: When Andrew Lloyd Webber originally approached Michael Crawford in 1984 about starring in the show, and after reading the novel, Crawford made an assumption that Webber wanted him to play Raoul, and spent a year studying Nelson Eddy's performance in the 1943 film. It wasn't until he was at his audition that Crawford learned Steve Barton had been cast as Raoul a week earlier, and that Webber wanted him to play the Phantom.