Shun Oguri as Osamu Dazai

Rie Miyazawa as Michiko Tsushima

Erika Sawajiri as Shizuko Ota

Fumi Nikaido as Tomie Yamazaki

Ryo Narita as Junichi Sakura

Yudai Chiba as Kaoru Ota

Koji Seto as Harube Ima

Kengo Kora as Yukio Mishima

Tatsuya Fujiwara as Ango Sakaguchi

Mitsu Dan as Bar's Mistress

Yuki Katayama as Girl at the Bar

Kanako Miyashita as Girl at the Bar

Kasumi Yamaya as Tabe Shimeko

Takayuki Kinoshita as Stall Owner

Yoshimasa Kondo as Junichi's Colleague

Hiroshi Yamamoto as Yukio's Colleague