Ironically, while the movie's protagonists are African-American and the opening credits track African-Americans in the mainstream pop culture through the 1960s, 1970s, 1980s and 1990s, the movie opens with "Pick Up The Pieces". The song, while a pop funk classic, was performed by the Average White Band, a group of Caucasian Scotsman whose music and soulful singing style were heavily influenced by African-American funk and soul.
When Undercover Brother first meets Sistah Girl in his bedroom he coins the phrase "get the body slamming and get to jamming", a play on the lyrics of "U Got The Look" by Prince - a distant cousin of Eddie Griffin.
The building used as the Island Fortress is actually a water filtration plant in the Beaches area of Toronto. It has been the scene of other movies, including the mental institution in In the Mouth of Madness (1994). Filming can no longer take place inside this building following the terrorist attacks on the USA of 11 September 2001.
The trivia item below may give away important plot points.
When Lance kills the three security guards after being called a sissy, he does so using three Fatalities from the Mortal Kombat video games: Kano's "Heart Rip" Fatality, Sub-Zero's "Spine Rip" Fatality, and Jax's "Head Clap" Fatality.