After releasing his first solo album, "Black On Both Sides," earlier this year, Black Star member Mos Def is now looking to kick off a film career.The rapper's big screen debut is in the newly released independent flick "Where's Marlowe?" In it, Mos plays a New York University Film School graduate whom, along with a fellow NYU alumnus, is making a documentary film about a pair of Los Angeles detectives. Mos co-stars in "Where's Marlowe?" with John Livingston ("EdTV"). Mos Def is no newcomer to acting; he landed his first gig at the age of 16 as a recurring character on the CBS series "You Take The Kids," before becoming a regular on the ABC series "God Bless The Child." In 1994, he joined the cast of "The Cosby Mysteries," and has also appeared on "Oz," "NYPD Blue," and "Spin City." Next year, he will co-star with Jada Pinkett-Smith in Spike Lee's "Bamboozled."