Tomokazu Seki

Jiro/Kikaider (voice)

Yui Horie

Mitsuko Kômyôji (voice)

小林由美子

Masaru Kômyôji (voice)

キートン山田

Hanpei Hattori (voice)

小桜エツコ

Etsuko Sarutobi (voice)

小川真司

Professor Gill Helbert (voice)

Jūrōta Kosugi

Saburo/Hakaider (voice)

Shōzō Iizuka

Dr. Den Kômyôji (voice)

Minami Takayama

Chigusa Sakamoto (voice)

Norio Wakamoto

Golden Bat (voice)