The role of Alex`s (Matthew Perry) father is played by John Bennett Perry, who is actually Matthew Perry`s father.
Before the movie was filmed, there was no Arizona/Nevada "border" painted on the highway that spans the Hoover Dam. When it was added for the movie, local officials decided to keep it intact after the filming of the movie. As of September 2005 the border painted in the street is no longer there.
The Elvis impersonator in the early wedding scene, Eddie Powers, works in Las Vegas as an Elvis impersonator and does gigs at such chapels as The Silver Bell Wedding Chapel.