Hama-chan and Su-san go fishing during a business trip, but Hama-chan has to give a lecture on Su-san's behalf in a case of mistaken identity.
| Actor | Role |
|---|---|
 Toshiyuki NishidaDensuke Hamazaki | Densuke Hamazaki |
 Rentaro MikuniIchinosuke Suzuki | Ichinosuke Suzuki |
 Eri IshidaMichiko Hamazaki | Michiko Hamazaki |
| AAkiko KunoSumiko | Sumiko |
 Etsushi ToyokawaNot listed | Not listed |
 Mai KitajimaNot listed | Not listed |
| LLynn HarrisMichiko Hamazaki (voice) | Michiko Hamazaki (voice) |
 Takeshi KatōNot listed | Not listed |
| TTakehiko MaedaNot listed | Not listed |
 Ken NakamotoNot listed | Not listed |
 Junkichi OrimotoNot listed | Not listed |
 Takashi SasanoNot listed | Not listed |
 Sansei ShiomiNot listed | Not listed |
 Kei TaniNot listed | Not listed |
 Jun TogawaNot listed | Not listed |
 Yatsuko Tan'amiNot listed | Not listed |