Based on Robert Crichton's 1959 book by the same name, The Great Impostor
Based on Robert Crichton's 1959 book by the same name, The Great Impostor is a 1961 movie based on the life of the well-known impostor Ferdinand Waldo Demara. Starring Tony Curtis and Edmond O'Brien, it only loosely follows Demara's real-life exploits.