Tadanobu Asano

Renji Sawashiro

小泉今日子

Yuriko Tomita

麻生久美子

Miki

Toshinori Omi

Sex Shop Manager

小日向文世

Renji's Boss

笑福亭鶴瓶

Frog (voice)

木之元亮

Man in the Next Seat

Minori Terada

Renji's Father

綾田俊樹

Old Man at the Hot Spring Inn

酒井敏也

Young Man at the Hot Spring Inn