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FBI agents Fox Mulder (David Duchovny) and Dana Scully (Gillian Anderson) tackle their greatest assignment yet in the big-screen debut of the popular TV characters as they attempt to link some of the show's most notorious conspiracies. Martin Landau, Armin Mueller-Stahl, Blythe Danner, William B. Davis, John Neville, Mitch Pileggi, Jeffrey DeMunn, Terry O'Quinn, Glenne Headly.