The younger brother of an officer in a secret government code-breaking unit gets involved with a gang of spies and a beautiful double agent.
Maj. Philip Waring
Helen Lane
Therese Brahm
Paul Waring
Albert Grood
Simon Herrick
Anton Decker
Lt. Clarke
Lt. Tydall (as Peter Lynn)
Ellsworth
Jimmy
Cmdr. Nash
Paul's Counsel
Army Lieutenant
Little Girl
Announcer
Robert Wormer
Carlson
Judge
Norfolk Officer
