A top-secret government weapons designer is arrested by a clandestine government organization on suspicion of being a clone created by the hostile alien race wanting to take over Earth.
Impostor is a 2001 American science fiction psychological thriller film based upon the 1953 short story "Impostor" by Philip K. Dick. The film starred Gary Sinise, Madeleine Stowe, Vincent D'Onofrio, and Mekhi Phifer and was directed by Gary Fleder.