The movie was really filmed at Glenn Mills, the juvenile detention facility featured. Some of the actors were real juvenile delinquents. They were cast as part of a program to get juvenile delinquents back on the right path through work, in this case acting. Several of them also appeared in Theo van Gogh's Der sechste Mai (2004) and have since pursued an acting career.
Remco Alberts who plays Jacky, is also a rapper and producer who goes by the name Re'medi.
Remco Alberts is also known as a blues/singer songwriter artist. His artist name is 'Magnum Opus'.
The titelsong 'Hou je hoofd cool' is performed by Toprak, Deadly Touch (now known as Re'Medi) and JJ Def. They al act in this movie.