On Secret Service
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.
Below are the streaming services currently carrying the movie “On Secret Service” in Canada, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in Canada can differ from other countries.
Where to watch On Secret Service in Canada
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Not currently available on the supported providers in Canada.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 14 Sept 2026.