Ishirô Honda Director Yosuke Natsuki Detective Shindo Actor Yuriko Hoshi Naoko Shindo Actor Hiroshi Koizumi Professor Miura Actor Takashi Shimura Dr. Tsukamoto Actor Emi Ito Shobijin (Twin Fairy) Actor Yumi Ito Shobijin (Twin Fairy) Actor Akiko Wakabayashi Mas Selina Salno, Princess of Sergina Actor Hisaya Itô Malmess, Chief Assassin Actor Susumu Kurobe Moustachoied Assassin Actor Akihiko Hirata Chief Detective Okita Actor Kenji Sahara Editor in Chief Kanamaki Actor Toru Ibuki Short-Tie Assassin Actor Yoshifumi Tajima Heedless Ship Captain Actor Ikio Sawamura Honest Fisherman Actor Senkichi Omura Would-Be Hat Retriever Actor Somesho Matsumoto Alien Expert Actor Shoichi Hirose Kingugidora Actor Haruo Nakajima Gojira Actor Toshihiko Furuta Villager Actor Shigeki Ishida Guy in Crowd Actor Haruya Kato Journalist Actor Yoshio Kosugi Chief of Infant Island Actor Yutaka Nakayama Tourist with Lost Hat Actor Kozo Nomura Geologist Actor Yutaka Oka Meteorite Scientist Actor Heihachirô Ôkawa Astronomer Actor Shin Otomo Boss of Assassins Actor Kazuo Suzuki Showoff Door-Opener Assassin Actor Minoru Takada Prime Minister Actor Shin'ichi Sekizawa Writer Tomoyuki Tanaka Producer, Executive Producer Hajime Koizumi Cinematographer Ryôhei Fujii Film Editing Akira Ifukube Original Music Takeo Kita Production Design, Art Director