Jackson routinely showed up not knowing any of his lines, nor knowing how to act. Other actors had to teach him blocking.
Jackson took full writing CREDIT although never wrote a single word of the script. The script was rewritten by multiple writer's including the director, Jesse Terrero, who did not take a credit.
50 Cent, Val Kilmer, and Annalynne McCord would later work again in Blood Out (2011), but wouldn't share any scenes
50 Cent and Val Kilmer previously worked together in Streets of Blood (2009)