Suicide Club

Masatoshi Nagase

Detective Shibusawa

Ryo Ishibashi

Detective Kuroda

Sayako Hagiwara

Mitsuko

Mai Hosho

Nurse Atsuko Sawada

Tamao Sato

Nurse Yôko Kawaguchi

Takashi Nomura

Security Guard Jiro Suzuki

Akaji Maro

Detective Murata

Hideo Sako

Detective Hagitani

Nao Nagasawa

Classmate

ROLLY

Muneo 'Genesis' Suzuki

Masato Tsujioka

Genesis' Gang

Kôsuke Hamamoto

Genesis' Gang

Yoko Kamon

The Bat / Kiyoko

Kei Nagase

Genesis' Gang

Maiko Mori

Kiyoko's Sister