Suicide club

Ryo Ishibashi

Detective Kuroda

Akaji Maro

Detective Murata

Masatoshi Nagase

Detective Shibusawa

Sayako Hagiwara

Mitsuko

Hideo Sako

Detective Hagitani

Takashi Nomura

Security Guard Jiro Suzuki

Nao Nagasawa

Classmate

Mai Hosho

Nurse Atsuko Sawada

Tamao Satô

Nurse Yôko Kawaguchi

Rolly

Muneo 'Genesis' Suzuki

Masato Tsujioka

Genesis' Gang

Kôsuke Hamamoto

Genesis' Gang

Kei Nagase

Genesis' Gang

Yôko Kamon

'The Bat' Kiyoko

Maiko Mori

Kiyoko's Sister

Suzunosuke

Kanako Hiramatsu

Keiko Suzuki