A librarian is subject to a scientific experiment which goes wrong and transforms him into 'The Human Vapour'. He uses his new ability to rob banks to fund the career of his girlfriend, a beautiful dancer. The Human Vapour is ruthless in his quest for money and kills anyone who stands in his way, especially police. He soon becomes Tokyo's most wanted criminal. Can he be stopped before he kills again?
Tatsuya Mihashi | Detective Okamoto |
Kaoru Yachigusa | Fujichiyo Kasuga |
Yoshio Tsuchiya | Mizuno, the Librarian / The 'Vapor Man' |
Keiko Sata | Reporter Kyoko |
Yoshifumi Tajima | Sergeant |
Hisaya Ito | Police Scientist |
Yoshio Kosugi | Mean Detective |
Fuyuki Murakami | Dr. Sano |
Bokuzen Hidari | Jiya |
Takamaru Sasaki | Police Chief |
Minosuke Yamada | Official |
Tatsuo Matsumura | Editor Ikeda |