Chris Brown has been cast as a basketball superstar in the upcoming Screen Gems film Phenom. The teen heart throb will play a high school hoops legend who goes pro after the media discovers he's the illegitimate son of the NBA's best player, reports Variety. The boy and his dad are on a collision course as their teams eventually face each other on the road to the playoffs. The movie will also feature Ugly Betty actress Vanessa Williams and Henry Simmons of the CBS drama Shark. Shooting is scheduled to begin early next year. George Tillman Jr. will produce the project along with Robert Teitel and Will Packer. Filmmaker David Anspaugh, whose credits include the sports films Rudy and Hoosiers, will begin shooting the project early next year, after Brown completes a tour for his fall album release, Exclusive.