Kōjirō Hongō
Keisuke Hirata
Kyōko Enami
Karen
Yūzō Hayakawa
Kawajiri
Takuya Fujioka
Dr. Sato
Kōji Fujiyama
Onodera
Sho Natsuki
Ichiro Hirata
Yoshirō Kitahara
Professor Amano
Ichirō Sugai
Dr. Matsushita
Bontarō Miake
Self-Defense Force General
Jutarō Hōjō
Self-Defense Force Commander
Kazuko Wakamatsu
Sadae Hirata
Yuka Konno
Onodera's Lover
Eiichi Takamura
Governor of Osaka
Kenichi Tani
Lee
Kōichi Itō
Metropolitan Police Superintendent-General
Hikaru Hoshi
Awaji Maru Captain
Osamu Abe
Awaji Maru Crewman
Jun Osanai
Yoshihiro Hamaguchi
Awaji Maru Crewman
Joe Ohara
Karen's Father
Tsutomu Nakata
Hayashi
Yūji Moriya
News Announcer (voice)
Shinji Kawashima
Gai Harada
Kishimoto
Kazuo Mori
Awaji Maru Crewman
Yasuo Araki
Shin Minatsu
Awaji Maru Crewman
Takehiko Gotō
Toichiro Kagawa
Man at Observatory
Nobuko Shingu
Hiroko Nishi
Michiyo Hikari
Teruo Aragaki
Gamera