Trivia: In the courtroom scene, all the people that have turned to color have to sit on the upper level. This is reminiscent of "To Kill a Mockingbird" (1963) where, in a similarly-built southern courthouse in the 1930's, all the "colored people" (African Americans) were relegated to the upper level.
Trivia: When Eric first goes back to his apartment, right after he returns from the grave, it is raining inside the apartment and his movements look an awful lot like the movements he just made in the rainy alleyway. [Not really a mistake, but worth noticing - the filmmakers were forced to re-use some shots after Brandon Lee's death.]
Trivia: During the scene where a drunken Uncle Billy walks home, a loud crashing sound is heard. The crashing sound was due to a crew member dropping a large tray of props. Thomas Mitchell quickly ad-libbed the line that he was all right. The crew member who dropped the tray was afraid he would be fired but instead director Frank Capra gave the crewman a ten dollar bonus for "improving the sound."
Trivia: Marc McClure, who plays the delivery driver named Boris actually played Anna's (she was then called Annabelle) crush, Boris, in the original "Freaky Friday" (1976).
Trivia: The newborn goo used during Bella's birth scene was made from cream cheese and jelly.
Trivia: A relief carving of Sulley (from the following Pixar film, Monsters University) is visible in the Witch's cottage.
Trivia: There is an actual band in Canada called the Wyrd Sisters who tried to stop the November 18th release of 'Goblet of Fire' in Canada because there is a band of the same name in the movie, but they lost their case.
Trivia: Helena Bonham Carter, who plays the grown up version of Jenny (from the town of Spectre), also plays the witch. She was at the time in a relationship with and eventually married director Tim Burton from 2001-2014.
Trivia: Near the beginning, when Remy is in the sewers and begins to make his way up to the skyline of Paris, he is startled by a barking dog in one of the apartments. If you pause and look at the silhouette of the dog, it greatly resembles Dug the dog, from the 2009 Disney/Pixar release Up - another precursory nod to an upcoming movie by Pixar. (00:16:35)
Trivia: Domhnall Gleeson, who plays Bill Weasley, is the son of actor Brendon Gleeson (Mad-Eye Moody).
Trivia: In the scene near the end of the movie, there is a board meeting on the tarmac. The Chairman of the Board is Stephen King who is the author of The Langoliers. (02:10:15)
Trivia: Michael's neighbors last name is O'Doyle, which is the name of the bully kids in Billy Madison who say "O'Doyle Rules."
Trivia: I was an extra on the Highlander Scottish battle scenes and since Scottish weather isn't the most hospitable, all the extras got very drunk on whisky to keep warm. When you see the Scottish charge insanely, it's because we were all drunk, which led to us picking out the wrong weapons and kilts for the next days filming because no one could remember who had what.
Trivia: The vampire's last name was Sackville-Bagg - Bilbo Baggins' relations in The Lord of the Rings were the Sackville-Bagginses.
Trivia: When the real Santa and the fake Santa are fighting on the sleigh when the fake Santa is heading out to deliver coal to all the children, the fake Santa says something like 'You are a strange little man.' Buzz Lightyear (voiced by Tim Allen) in the movie Toy Story said the same thing to Woody.