In the climactic football scene, the cheerleaders for the opposing team, The Rockford Rockets, were real-life Chicago Bears cheerleaders.
Charlie Sheen's tattoo on his upper right arm had to be covered with make up to make him appear to be a legitimate high school student. It can still be seen through the make up in the scene where Cappie and Maggie are in the laundry room where Charlie Sheen is shirtless.