Reputedly based on Frank Capra’s 1939 film Mr. Smith Goes to Washington, A Descendant of Tarô Urashima is about a repatriated soldier who becomes populist politician in the Japanese Happiness Party.
| Directing | Mikio Naruse | Director |
| Sound | Kazuo Yamada | Original Music Composer |
| Editing | Yoshiki Nagasawa | Editor |
| Production | Nobuyoshi Morita | Executive Producer |
| Writing | Ryuichiro Yagi | Screenplay |
| Production | Tsuneo Hazumi | Executive Producer |
| Camera | Ichio Yamazaki | Director of Photography |
| Art | Teruaki Abe | Art Direction |
| Lighting | Ko Fujibayashi | Lighting Technician |
| Crew | Eiji Tsuburaya | Special Effects |
| Directing | Masanori Kakei | Assistant Director |
| Sound | Michio Okazaki | Sound Recordist |