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.
Will Hay
John Mills
Basil Sydney
Felix Aylmer
Thora Hird
Score: 6.0
Score: 3.7
Score: 5.5
Score: 5.7
Score: 6.1
Score: 5.4
Score: 0.0
Score: 4.7
