Ishirô Honda Director Yoshio Tsuchiya Mizuno, The "Vapor Man" Actor Kaoru Yachigusa Fujichiyo Kasuga Actor Tatsuya Mihashi Detective Okamoto Actor Keiko Sata Reporter Kyoko Actor Hisaya Itô Police Scientist Actor Yoshifumi Tajima Sergeant Actor Yoshio Kosugi Mean Detective Actor Fuyuki Murakami Dr. Sano Actor Takeshi Kimura Screenwriter Stanley D. Meyer Producer Tomoyuki Tanaka Producer Edward L. Alperson Executive Producer Hajime Koizumi Cinematographer Kazuji Taira Film Editing Kunio Miyauchi Original Music Kiyoshi Shimizu Production Design