A professor teaching at a correspondence school discovers that a Nazi agent is trying to prevent a trade treaty being signed between England and South America.
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Cast
- Will HayProf. Davis
- John MillsBobby Jessop
- Basil SydneyCostello
- Felix AylmerCrabtree
- Thora HirdJoyce
- Henry HewittProf. Davys
- Owen ReynoldsHarman
- Frank CellierInnsbach
- Joss AmblerSir John
- Frank AllenbyOnslowe
Crew
- Basil DeardenDirector
- Will HayDirector
- Angus MacPhailScreenplay
- John DightonScreenplay
- Eric CrossDirector of Photography
- Ray PittEditor
- Michael BalconProducer
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