Acting
February 12, 1929
Vienna, Austria
as Sergeant Balder (German version) /Sergeant Barclay (English version)
as Insp. Lefevre
as Dr. Muthesius
as Mirko
as Bilek
as Riccardo / Richard Koster
as Johann Mayerhofer
as Toni Stein
as Self
as Boris Leblanc
as Scharf-Aibenschütz