Tsutomu Takahashi

as Makoto Hase / Gavan Killer

as Takuma Iwasaki (1 episode)

as Kenji Tokai (10 episodes)

as Hayama Gen

as Sekiya Tokuzo (10 episodes)

as Kasei Hoshino

as Yasufumi Okabe (11 episodes)

as Mitsuo Horii

as Karasawa (12 episodes)

Original Story

as Kazuki Matsuo (10 episodes)

as Shinichi Saimori

as Katsuzaburo Ikeda

as Kyuu Gen (Gong Yuan)

as Shinichi Hongo

as Noboru Takahayashi (2 episodes)

as Sendo Naoki [CDT Neurosurgeon] (11 episodes)

as Mochizuki Kohei (5 episodes)