| Seiyuu | Role |
| Shinichirou Miki | Takumi Fujiwara |
| Ayako Kawasumi | Natsuki Mogi |
| Nobuyuki Hiyama | Takeshi Nagazato |
| Tomokazu Seki | Keisuke Takahashi |
| Takehito Koyasu | Ryosuke Takahashi |
| Unsho Ishizuka | Bunta Fujiwara (Takumi's Father) |
| Kazuki Yao | Kouichirou Iketani |
| Mitsuo Iwata | Itsuki Takeuchi |
| Osamu Hosoi | Preview Narration |
| Kousuke Okano | Kenta Nakamura (Episode 21 - 26) |
| Yumi Kakazu | Sayuki (Episode 16 - 20, 24, 26) |
| Michiko Neya | Mako (Episode 15 - 20, 24, 26) |
| Keiji Fujiwara | Shingo (Episode 11 - 15, 22, 25, 26) |
| Wataru Takagi | Kenji |
| Tomomichi Nishimura | Yuichi |
| Toru Furusawa | Papa (Episode 1, 3, 19) |
| Osamu Hosoi | Fumihiro |