- Yoshinori Okada as Koichi
- Mayu Okano as Akemi
- Masatoshi Nagase as Kengo
- Asami Hori as Yuko
- Nao Ohmori as Izukawa
- Tetta Sugimoto as Kenzaki
- Yōko Akino as Akemi's mother
- Masaya Kikawada as Akemi's father
- Yumi Yoshiyuki as Akemi's grandmother
- Tetsurō Tamba as Koichi's father