Trivia: There are lots of signs showing how Evan will die: the doll in the hallway is missing its right eye, the fridge magnets spell 'eye' after one falls off and lastly he has just bought an 'i' Mac computer.
Trivia: The autographed photo of Johnny Cage that lands among Scorpion's remains is a reference to Cage's 'Friendship' move from Mortal Kombat 2 (a comedy finisher where after beating your opponent to a bloody pulp you make peace with them by giving them a present or putting on a little show instead of killing them). Apparently many fans considered kicking the tar out of somebody and then giving them a signed photo of yourself to be incredibly egotistical, hence why it appears in the movie.
Trivia: In the scene where Alice finds Bill's body hanging on the back of the door to the generator room, the producers purposely did not tell Adrianne King what they were going to do to the body nor did they let her see the body beforehand. When she saw the body during filming it was for the first time. The scream she produced was genuine as it scared her badly. Needless to say, that entire scene was shot in one take.
Trivia: The boardwalk scenes were filmed on location at the Santa Cruz Beach Boardwalk in Santa Cruz, California.
Trivia: Smith tries to explain to the woman who Bob Marley is by singing a part of the song "I Shot the Sheriff." He also sang this part of the song (with a similar voice imitation) in his role as Will in one of the episodes from the series "Fresh Prince of Bel Air".
Trivia: In a scene that was deleted from the movie, Claude reveals that the werewolf society had been around for centuries and that the werewolf who attacked David Kessler in "An American Werewolf In London" was a member.
Trivia: In the scene were Mercy claims to have stolen the coat because the cops are looking for somebody in a pink top, she actually had to wear the coat to cover a cast on her wrist which she broke while being pulled by Fox in the 96th street station chase just before Fox's sad departure.