| Kurashita Tsukimi | Hanazawa Kana |
| Koibuchi Kuranosuke ("Kurako") | Saiga Mitsuki |
| Koibuchi Shuu | Suwabe Junichi |
| Chieko | Saitou Kimiko |
| Mayaya | Okamura Akemi |
| Banba-san | Kumai Motoko |
| Jiji-sama | Noto Mamiko |
| Hanamori Yoshio | Koyasu Takehito |
| Inari Shouko | Kitanishi Junko |
| Koibuchi Keiichirou (Kuranosuke and Shuu's Father) | Mugihito |
| Negishi Saburouta (Prime Minister/Kuranosuke & Shuu's Uncle) | Chiba Shigeru |
| Kurara (Clara the spotted jellyfish) | Morohoshi Sumire |
| Chieko's Mother | Katakai Kaoru |
| Rina (Kuranosuke's Mother) | Yoshida Seiko |
| Koibuchi Shuu (Childhood) | Nohama Tamako |
| Female University Student | Moriya Satomi |
| TV Announcer | Nishiguchi Arisa |
| Chii Takeo (Special Guest) | Chii Takeo |
