Actor Peter Berg, one of the stars in the new thriller film "Collateral" poses with girlfriend, model Estella Warren, as they arrive at the film's premiere in Los Angeles August 2, 2004. The film tells the story of a cab driver, played by Jamie Foxx, who finds himself the hostage of an engaging contract killer, played by Tom Cruise, as he makes his rounds from hit to hit during one night in Los Angeles.The film, directed by Michael Mann opens August 6 in the United States. REUTERS/Fred Prouser FSP/DBP