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?
Floriane Aboody
Herbert Aboody
Inspector Wens
Steve
Matriche
Mona
Lydia
Commissioner Whu
Zetskaïa
Commissioner Malaise
Lotus
(uncredited)
(uncredited)
Chinese taxi driver (uncredited)