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.
Directing | Basil Dearden | Director |
Directing | Will Hay | Director |
Production | Michael Balcon | Producer |
Sound | Ernest Irving | Music Director |
Writing | Angus MacPhail | Screenplay |
Writing | John Dighton | Screenplay |
Art | Thomas N. Morahan | Art Direction |
Editing | Ray Pitt | Editor |
Writing | Angus MacPhail | Original Story |
Production | John Croydon | Production Manager |
Writing | John Dighton | Original Story |
Crew | Günther Krampf | Cinematography |
Camera | Eric Cross | Director of Photography |