Machiko Nakazato
Ryûko Mizuki
Kyôsuke Segi
Inspector Matsubara
Kenzô Nakazato
Ichirô Kawabe
Shunji Kurokawa / The Invisible Man
Otoji Sugimoto
Nagayoshi Tanimoto
Umeo Miyazawa
Yoshihira Hatanaka
Keizô Sasatani
Hiroyoshi
Detective Suzuki
Ota
Yamaguchi
Sasaki
The Drunk (as Takehiro Yuasa)
Minoru Yamashita
Tatsuzo Kinoshita
Jewel thieves become interested in an invisibility formula invented by Professor Nakazato and want to use his invention to acquire a diamond necklace called the "Tears of Amour."