Akira Kubo

Kenji Murai - Professor

Kumi Mizuno

Mami Sekiguchi - Singer

Hiroshi Koizumi

Naoyuki Sakuta - Skipper

Kenji Sahara

Senzô Koyama - Sailor

Hiroshi Tachikawa

Etsurô Yoshida - Writer

Yoshio Tsuchiya

Masafumi Kasai - Owner

Miki Yashiro

Akiko Sôma - Student

Takuzō Kumagai

Doctor (as Jirô Kumagai) (uncredited)

Yutaka Oka

Doctor (uncredited)

Keisuke Yamada

Doctor (uncredited)

Akio Kusama

Police Personnel (uncredited)

Kazuo Higata

Police Personnel (uncredited)

Katsumi Tezuka

Police Personnel (uncredited)

Haruo Nakajima

Matango

Hideyo Amamoto

Skulking Transitional Matango (uncredited)

Tokio Ôkawa

Matango

Kōji Uruki

Matango

Masaki Shinohara

Matango

Kuniyoshi Kashima

Transitional Matango (uncredited)

Toku Ihara

Transitional Matango (uncredited)

Mitsuko Hayashi

Nurse (uncredited)

Tsurue Ichimanji

Nurse (uncredited)