Greta Nissen stars as an Italian noblewoman living a dangerous double life as a spy. A remake of the celebrated German thriller Spione am Werk. Co-starring noted German actor Karl Ludwig Diehl and American matinee idol Don Alvarado. The film takes place in Vienna, 1912. When an Austrian staff officer is implicated by association with a known Italian spy he goes on the run. Three years later - as the Great War gets into full swing - he returns and begs the Austrian Secret Service to allow him to clear his name from suspicion.
Greta Nissen
as Marchesa Marcella Galdi
Karl Ludwig Diehl
as Captain von Homberg
Don Alvarado
as Conte Valenti
Lester Matthews
as Coloneilo Romanelli
Esme Percy
as Bleuntzli - Reporter
C.M. Hallard
as Colonel von Waldmuller
Austin Trevor
as Captain Larco
Cecil Ramage
as Ermete Davila
Wallace Geoffrey
as B-18
