| Name | Character | Episodes |
|---|---|---|
| Yumiri Hanamori | Ai Narata (voice) | 13 |
| Kana Hanazawa | Hijiri Nojima (voice) | 13 |
| Takehito Koyasu | Kōzaburō Shirakawa (voice) | 13 |
| Satsumi Matsuda | Chiaki Sawada (voice) | 13 |
| Mikako Komatsu | Risa Nakayama (voice) | 13 |
| Risae Matsuda | Chika Sawada (voice) | 13 |
| Junichi Suwabe | Mamoru Ando (voice) | 13 |
| Nobuo Tobita | Onodera (voice) | 6 |
| Shizuka Itoh | Tachibana (voice) | 4 |
| Reiko Suzuki | Kirishima (voice) | 3 |
| Nanako Mori | Akiha Ichijou (voice) | 2 |
| Kotono Mitsuishi | Kimiko Narata (voice) | 2 |
| Yuri Amano | Mirei Nohara (voice) | 2 |
| Aoi Koga | Ruri Shirohana (voice) | 2 |
| Mitsuho Kambe | Superiors member (voice) | 2 |
| Mitsuho Kambe | Keito Mochida (voice) | 2 |
| Nanako Mori | Mercutio (voice) | 1 |
| Nanako Mori | Yukiko Hoshino (voice) | 1 |
| Nanako Mori | Female student (voice) | 1 |
| Nanako Mori | Manami Ueda (voice) | 1 |
| Shinya Takahashi | Old man (voice) | 1 |
| Shinya Takahashi | Photographer (voice) | 1 |
| Shinya Takahashi | Male presenter (voice) | 1 |
| Norio Wakamoto | Captain Anai (voice) | 1 |
| Mitsuho Kambe | Examinee B (voice) | 1 |
| Mitsuho Kambe | Staff B (voice) | 1 |
| Mitsuho Kambe | Junior class student A (voice) | 1 |
| Mitsuho Kambe | Classmate girl B (voice) | 1 |
| Mitsuho Kambe | Asami Hamada (voice) | 1 |