In Shangai, the "Green Dragon" threatens to kill Herbert Aboody, a rich exporter, unless he pays him 50,000 dollars. One of Aboody's secretaries calls inspector Wens for help. An amazing fact occurs, Wens kills Aboody and then disappears. What is the key to this mystery?
Cast
Hélène Perdrière
Floriane Aboody
Paul Bernard
Herbert Aboody
Maurice Teynac
Inspector Wens
Pierre Jourdan
Steve
Stanislas-André Steeman
Matriche
Gilberte Clair
Mona
Krisha Duchesne
Lydia
Ky Duyen
Commissioner Whu
Andrews Engelmann
Zetskaïa
Robert Lussac
Commissioner Malaise
Lonne Voo
Lotus
Georgette Anys
(uncredited)
Luong Van Yen
(uncredited)
Reggie Nalder
Chinese taxi driver (uncredited)
