ET takes an exclusive behind-the-scenes look at John Travolta and Denzel Washington 's new action/thriller 'The Taking of Pelham 1 2 3.' In the film, John portrays the criminal mastermind of a highly-armed gang that hijacks the New York City subway system and threatens to kill passengers. Denzel plays a subway dispatcher who uses his vast knowledge of the system to try to outwit the criminals and save the hostages. Travolta says he really enjoyed playing the evil mastermind. "Playing a bad guy is always a freeing experience -- because you don't have the same envelope of restrictions that you have playing a good guy." He also talks about being a "good match" on-screen for Denzel. Continue reading... Related stories: Cannes' Top Honors Announced 'Night at the Museum' Tops 'Terminator'