Trivia: During the scene in the bar with Mystique and the prison guard, the person on the TV is Dr. Hank McCoy - this is the real name of X-Man The Beast.
Trivia: The tune that Elle Driver is whistling in the hospital is the theme from the movie 'Twisted Nerve' (1968)
Trivia: Johnny Depp uses the phrase "Interesting..." as his trademark in many of the movies he stars in, including Sleepy Hollow. He uses it in PotC when Koehler's skeletal hand tries to grab him in prison.
Trivia: Monica Bellucci's dress is some what see through. You can see that she isn't wearing underwear. (01:05:10)
Trivia: In Lori's dream, kids teasing a young Jason place a burlap sack on his head, similar to the burlap sack Jason wore in Friday the 13th Part 2. Jason started wearing the goalie mask in Friday the 13th part 3. (00:08:00)
Trivia: When Box is watching TV and is beeped to go to work, he is actually watching an episode of the original S.W.A.T. TV series.
Trivia: Jennifer Garner wore colored contacts for the role of Elektra. Her natural eye color is brown.
Trivia: After the truck with the gold in it, drops from the street and people scatter and scream, there is a man dressed as Spider-Man on the street. (01:25:35)
Trivia: During the coronation sequence at the end of the film, Johnny English shouts "Play it, Bough! Play the disk!" and we cut to Bough threatening a man to play the DVD. The man he threatens is the film's director, Peter Howitt.
Trivia: In Greek mythology Persephone was the wife of Hades, ruler of Hell. Persephone is the wife of the Merovingian, ruler of the Hell Club.
Trivia: According to the DVD commentary, the entire budget for Underworld was the same as the highway chase scene in The Matrix Reloaded.
Trivia: The face of The Hulk is a computer generated image of Erik Bana, Jennifer Connelly, and director Ang Lee combined into one.
Trivia: When John turns on the magnetic field, the equipment he uses to turn up the power is the throttle of the Saitek X45 with a Cyberdyne plate over the base. (01:22:55)
Trivia: In scene 32, Katsumoto and Algren ride through the line of troops and as Algren dismounts, his horse kicks out at the soldier to the right of the camera and hits him in the groin. The soldier bends over with the impact, backs up, then bravely straightens up again as the scene continues. (01:53:55)
Trivia: California Govenor and former action star Arnold Schwarzenegger makes a special guest appearance in this movie. When Beck first arrives at the night club, Arnold walks right by him and tells him to "have fun." Arnold had just become Govenor and knew he would not be acting for awhile so this was his way of passing the torch to someone he felt would take his place as the future of action movies.
Trivia: None of the Angels carry or use guns in this sequel because actress Drew Barrymore is a known gun control advocate.
Trivia: When Burnett and Lowrey take a car to chase the van, the driver is American footballer Dan Marino. The driver of the red and white car who stops and calls Burnett a freak is the film's director Michael Bay. (01:22:35)