 He made a brief appearance in the Douglas Fairbanks film "The Thief of Bagdad" as the court magician.Later years found him living in Hollywood and, by 1942, on his daughter's ranch outside Banning, California.Due to his age and health conditions, Hartmann was one of only a few Japanese Americans on the West Coast to avoid the mass incarceration during World War II, although the FBI and local officials visited the ranch often to conduct investigations.