During filming they rented a luxury house for three days to shoot in, not knowing that actor Charles Bronson had just purchased a home across the street. Before the three days were up the crew had managed to kill Bronson's cat by accident. The story is related in the book "I Killed Charles Bronson's Cat", written by the movies location manager Barry Gremillion.
During the student awards dinner, after the Crossed Sabres of Truth is shown, Dan Schneider's line "...regrettably killed while filming" could be a reference to Vic Morrow, who was Jennifer Jason Leigh's father. She plays Lydia in the film. Even if not intended to be about him, it was how she lost her father.
In the scene where Nick first meets Alan, the secretary announces that the next appointment, Mr. Fleckman, is waiting. The next scene, we meet Alan's wife, played by Fran Drescher, who played Bobbi Fleckman in This is Spinal Tap.