Kazu Itsuki

Masashi

Masahiro Yoshida

Kanai, the roommate

Michael Ashley

Marty

Ken'ichi Tajima

Friend

Yumi Itagaki

Masashi's mother

Ichirô Yoshioka

Old man at hotel

Shouzou Sakairi

Masashi's father

Nanami Nishino

Coworker / Female friend

Kyoko Takagi

Masashi's sister

Minoru Kunizawa

Masashi's younger brother