Trailer
 | Aya Hisakawa as Tomoko Kasamatsu (voice) |
 | Motomu Kiyokawa as Yuusuke Kasamatsu (voice) |
 | Nobuo Tobita as Tetsuo Kasamatsu (voice) |
 | Shotaro Okubo as Yuusuke Kasamatsu (child, voice) |
| Kensuke Tezuka as Shouhei (voice) |
 | Ai Orikasa as Narrator |
| Reina Ebisu as Ayako (voice) |
| Writing | |
| Akiyuki Nosaka | Original Story |
Directing | |
| Yoshio Takeuchi | Director |
Writing | |
| Yoshio Takeuchi | Screenplay |
