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
Hideyo Amamoto
Transitional Matango
Takuzō Kumagai
Doctor (as Jiro Kumagai)
Akio Kusama
Police Personnel
Yutaka Oka
Doctor
Keisuke Yamada
Doctor
Kazuo Hinata
Police Personnel
Katsumi Tezuka
Police Personnel
Haruo Nakajima
Matango
Tokio Ôkawa
Matango
Kōji Uruki
Matango
Masaki Shinohara
Matango
Kuniyoshi Kashima
Transitional Matango
Toku Ihara
Transitional Matango
Mitsuko Hayashi
Nurse
Tsurue Ichimanji
Nurse
Saburô Iketani
Radio Announcer (voice) (uncredited)
Yoshio Katsube
Nightclub Patron (uncredited)
Hideo Shibuya
Nightclub Staff (uncredited)