Kyoko Koizumi as Rumi Kato (Ruby)

Hiroyuki Sanada as Toru Hayashi

Kumi Mizuno as Toru's Mother

Kazuo Katō as Toru's Boss

Hiroko Isayama as Older Woman at Toru's Company

Hideyo Amamoto as Grocery Store Owner

Kyôko Takami as Woman on Her Way Home from Shopping

Hideko Yoshida as Bank Clerk

Hideyuki Otsuki as Bank Security Guard

Shinichiro Uchida as Postman

Haruhiko Saitô as Jewelry Store Clerk

Kōen Okumura as Concierge

Masumi Okada as Mr. Yamanouchi

Nana Kinomi as Mrs. Yamanouchi

Takanori Jinnai as Rumi's Boyfriend

Manami Fuji as Apartment Housewife

Taisaku Akino as Detective

Akira Nagoya as Forensic Examiner