| Onigawara Mao | Koyama Kimiko |
| Tsukishima Misora | Yoshikawa Yuuya |
| Maruyama Silvia | Horie Yui |
| Mishima Kagome | Nagasawa Miki |
| Onigawara Rikushirou | Nojima Akio |
| Oozora Yuriko | Mannaka Yukiko |
| Noki Chinami | Iura Ai |
| Tsukishima Soujirou | Suzuki Kiyonobu |
| Aadaruberuto Fon Maruyama | Taniguchi Takashi |
| Urashima Keenosuke ["Love Hina" Parody Character] | Ueda Yuuji |
| Nanasegawa Nana ["Love Hina" Parody Character] | Horie Yui |
| Land/Sky/Sea Operator | Toyoshima Machiko |
| Mita Maiko ["Itsudatte My Santa!" Parody Character] | Tomisaka Akira |
| Naniwa Mio ["AI ga Tomaranai!" Parody Character] | Takahashi Chiaki |
| Tokugawa Tokusaburou | Bandou Naoki |
| Uehara Eri | Toyoshima Machiko |
| Aikawa Ikumi | Toda Maiko |
| Tsukishima Kuuko | Hanba Tomoe |
| Carol Cameron | Kurata Masayo |
| Onigawara Rikukichi | Haramaki Kouji |
| Onigawara Kuniko | Yukino Satsuki |
| Prime Minister | Sugawara Junichi |
| Suteki Ichirou | Nojima Hirofumi |
| Ginga-daiou | Sonobe Keiichi |
| Ko-daiou | Mamiya Kurumi |
| Kikuichimonji Sangou | Shiratori Yuri |
| Bear-Type (ep.18,26) | Kadowaki Mai |
| Dragon-Type (ep.19) | Watanabe Akeno |
| Monkey-Type (ep.20,26) | Nishiwaki Tamotsu |
| Kangaroo-Type (ep.22) | Tomisaka Akira |
| Whale-Type (ep.23) | Usui Takayasu |
| Maintenance Group Member | Kosuge Mami |
