21 is a 2008 drama film from Columbia Pictures. It stars Jim Sturgess, Kevin Spacey, Kate Bosworth, and Laurence Fishburne. The film is based on Bringing Down the House, the best-selling book by Ben Mezrich. The film will be released on March 28, 2008. Director Robert Luketic adapts Ben Mezrich's best-seller Bringing Down the House: The Inside Story of Six M.I.T. Students Who Took Vegas for Millions to tell the true-life tale of six genius students who used their brains to beat considerable odds. Laurence Fishburne stars as the Sin City security chief who catches on to the group and makes it his mission to expose their lucritive blackjack scam.