- HD 1080
- Runtime: 89m.
- Status: Released
- 0
- Languages: en
- Director: Arthur B. Woods
- Stars: Greta Nissen, Karl Ludwig Diehl, Don Alvarado, Lester Matthews, Esme Percy
- keywords: based on novel or book, spy
- Production_studio: British International Pictures
- The On Secret Service is featured in the top rankings of 1933
- #4 in Top Romance Movies of 1933
- #8 in Top Drama Movies of 1933
- #2 in Top War Movies of 1933
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.