
"Half Human! Half Beast! It Destroys! It Kills!"
A failed science experiment gives a librarian the ability to turn into a gaseous substance. He goes on to rob banks to fund his dancer girlfriend's career, killing those who interfere. Now Tokyo's most wanted criminal, can authorities stop him?
Mr. Mizuno

Fujichiyo Kasuga

Detective Okamoto

Reporter Kyoko

Jiya

Detective Inspector

Police Scientist

Editor Ikeda

Dr. Sano

Mean Detective

Detective Fujita

Police Chief

Kyoko's Fellow Reporter

Fujichiyo's Teacher
Nomura the Robber

Kajimoto

Policeman Ozaki
Bank Manager (uncredited)

Burly Guard (uncredited)

Journalist (uncredited)

Official (uncredited)

Cop (uncredited)
Shooting Guard (uncredited)
Cop (uncredited)

Member of crime laboratory (uncredited)
Audience member (uncredited)

Bystander (uncredited)
Transitional Vapor Man (uncredited)

(uncredited)
(uncredited)
(uncredited)

(uncredited)

(uncredited)
(uncredited)
(uncredited)
(uncredited)
(uncredited)
(uncredited)
(uncredited)
Audience Member (uncredited)

(uncredited)
(uncredited)
(uncredited)
(uncredited)
(uncredited)
(uncredited)
(uncredited)
(uncredited)
(uncredited)
(uncredited)
(uncredited)
(uncredited)
(uncredited)
(uncredited)
(uncredited)
(uncredited)
(uncredited)
(uncredited)
Wife (uncredited)

Narrator / Mizuno
