"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."
Jim Bannon
as Tom Blair
Jeanne Bates
as Mrs. Tom Blair
William Haade
as Sergeant
Tom Hanlon
as Radio Broadcaster
Milton Kibbee
as Train conductor
Syd Saylor
as Mr Niblick
Ann Shoemaker
as Mrs Nelson
Harry Strang
as Railroad engineer
John Tyrrell
as Loose-lipped citizen
Robert B. Williams
as Bartender
Edward Bernds
Director