Curtis “50 Cent” Jackson will star in the movie Twelve along with Ellen Barkin and Kiefer Sutherland. The rapper/actor will take on the role of the character Lionel. A drug dealer from Harlem. The movie is based on a novel by Nick McDonell about drug addiction and violence among Manhattan’s wealthy youth. The story is about a high school student that faces a major turning point in his life, when his best friend best is accused of murdering the drug dealer’s family member.