Documentary short film explaining the need for secrecy in the exchange of sensitive government information, so as to prevent sabotage or subversion of the American war effort.
IM
Overview
Director
Top Billed Cast
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Jim Bannon
Tom Blair
Jeanne Bates
Mrs. Tom Blair
William Haade
Sergeant
TH
Tom Hanlon
Radio Broadcaster
Milton Kibbee
Train conductor
Syd Saylor
Mr Niblick
Ann Shoemaker
Mrs Nelson
Harry Strang
Railroad engineer
John Tyrrell
Loose-lipped citizen
