Trivia: In the party scene at XXX's house after he pulls the stunt with the Corvette, Joshua Todd, the ex-lead singer of Buckcherry, makes a cameo appearance - he never turns around, but you can see the suicide king of hearts tattoo on his back.
Trivia: When Cage goes to the party after his Corvette stunt, he starts talking to a girl with bleach blond hair and two tiger paw tattoos on her chest. This is an appearance by Eve, the famous rapper.
Trivia: As well as before-mentioned Tony Hawk, you can see action sports celebrities like Colin McKay, Mike Vallely, Mat Hoffman and Rick Thorne at the party after Xander stole the Corvette.
Trivia: Right at the start of the movie, when the spy is being chased, one of the two men chasing him is wearing a Rammstein t-shirt, coincidentally the band playing in the building that the spy breaks into.
Trivia: During the scene where xXx was parasailing off Ahab, the stunt in question was done as seen in the film on the first take. However the stuntman wasn't 100% satisfied and wanted to do it again, on this second take that he was killed. He has since been awarded a lifetime achievement award by the stunt industry.