Tadao Takashima

Dr. Yuzo Kawaji

Nick Adams

Dr. James Bowen

Kumi Mizuno

Dr. Sueko Togami

Yoshio Tsuchiya

Daigo Kawai

Koji Furuhata

Frankenstein

Jun Tazaki

Hideo Nishi, Director of the Okayama Prefectural Police

Susumu Fujita

Osaka Prefectural Police Chief

Takashi Shimura

Hiroshima Army Hospital doctor

Nobuo Nakamura

Dr. Suga

Kenji Sahara

Tadokoro, Bowen's assistant

Hisaya Ito

Osaka Police Sergeant

Yoshibumi Tajima

Murata, Japanese Imperial Navy submarine captain

Kōzō Nomura

Newspaper Reporter

Haruya Katō

TTV Director

Ikio Sawamura

Housekeeper

Yoshio Kosugi

JSDF Executive

Keiko Sawai

Tsuruko Toida

Noriko Takahashi

Girl in Shirane hut

Peter Mann

Dr. Liesendorf

Ren Yamamoto

Motoki

Yutaka Sada

Hospital Secretary

Kenzō Tabu

Newspaper Employee

Shigeki Ishida

University Professor

Haruo Nakajima

Baragon / JSDF Soldier

Yutaka Nakayama

TTV Lighting man

Senkichi Ōmura

TTV Lighting man

Nadao Kirino

Okabe policeman

Shin Ōtomo

Sugiyama policeman

Shōichi Hirose

Tunnel Worker

Toshihiko Furuta

Farmer

Hideo Shibuya

Reporter

Tadashi Okabe

Sarcastic Reporter

Hideaki Nitani

Hospital Official (uncredited)

Saburô Iketani

Reporter (uncredited)

Kenichiro Kawaji

Young Frankenstein

Kazuo Kumakura

Dr. Lisendorf (voice)

Gorō Naya

Dr. Bowen (voice)