Mystère à Shanghai

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?

• Jacques de CasembrootScreenplay
• Maurice GriffeScreenplay
• Roger BlancDirector

• Hélène PerdrièreFloriane Aboody
• Paul BernardHerbert Aboody
• Maurice TeynacInspector Wens
• Pierre JourdanSteve
• Stanislas-André SteemanMatriche
• Gilberte ClairMona
• Krisha DuchesneLydia
• Ky DuyenCommissioner Whu
• Andrews EngelmannZetskaïa
• Robert LussacCommissioner Malaise
• Lonne VooLotus
• Georgette Anys(uncredited)