Tora-san's nephew Mitsuo is exchanging letters with Izumi, a former classmate whose parents divorced and took her out of Tokyo.
| Actor | Role |
|---|---|
 Kiyoshi AtsumiTorajiro Kuruma | Torajiro Kuruma |
 Chieko BaishoSakura | Sakura |
 Fumi DanHisako | Hisako |
 Hidetaka YoshiokaMitsuo | Mitsuo |
 Masami ShimojōTatsuzo | Tatsuzo |
 Chieko MisakiTsune | Tsune |
 Gin MaedaHiroshi | Hiroshi |
 Hisao DazaiNot listed | Not listed |
 Gajirō SatōNot listed | Not listed |
 Chishū RyūGozen-sama | Gozen-sama |
| KKin IshiiNot listed | Not listed |
 Issey OgataNot listed | Not listed |
 Takashi SasanoNot listed | Not listed |
| KKeiroku SekiNot listed | Not listed |
 Jun TogawaKozue | Kozue |
 Setsuko TanakaNot listed | Not listed |
 Isao TakenoNot listed | Not listed |
 Mansaku FuwaNot listed | Not listed |
| HHiroshi JinNot listed | Not listed |
 Kazuhiko KasaiNot listed | Not listed |
| SSayoko MakinoNot listed | Not listed |
 Masayasu KitayamaNot listed | Not listed |
| SSeiji ShinoharaNot listed | Not listed |
| RRika TanakaNot listed | Not listed |
| MMidori KawaiNot listed | Not listed |
| TTetsu SakumaNot listed | Not listed |
 Shinnosuke FurumotoNot listed | Not listed |
 Masao ImafukuNot listed | Not listed |
 Isao BitōNot listed | Not listed |
 Mari NatsukiNot listed | Not listed |