When the film was put into production, Macaulay Culkin was five foot two. A cast of tall grownups were hired to create the illusion that Culkin was shorter than he actually was at the time. Most of the adult cast is taller than six feet.
Richie's roller coaster is the Iron Wolf at Six Flags Great America.
The Forbes Fictional 15 ranked Richie Rich as the fourth richest fictional character in 2006. He has a net worth of $10.7 billion.
Macaulay Culkin's last major film appearance before his nine year hiatus from films.
At the time of filming, Macaulay Culkin actually was the richest kid in the world.