Fictionalized account of Ferdinand Waldo Demara Jr., who stole or created fictional identities and worked in a variety of occupations, most quite successfully.
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.