Asumi Miwa as Hiromi Yoshii

Kirari as Chisa Noda

Hirono Kudo as Nao Yokoi

Yukie Nakama as Chieko Takamori

Mitsuru Hirata as Kakegawa

Mitsuru Fukikoshi as Yoshimura

Moro Morooka as Yazaki

Toru Tezuka as Uehara

Ikkei Watanabe as Kobayashi

Tadanobu Asano as Captain XX

Naomi Kawase as Woman speaking to Hiromi (voice)

Akira Ishida as Yoshio

Kotono Mitsuishi as Radio Host (voice)

Megumi Hayashibara as Answering Machine (voice)

Taiju Okayasu as Odagiri

Ritsuko Shimada as Aoki

Harumi Shuhama as Ishioka

Hitomi Miwa as Hiromi's Sister

Ken Osawa as Business Man

Nana Okada as Hiromi's Mother

Leo Morimoto as Hiromi's Father