Cipher Bureau

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.

• Charles LamontDirector
• Arthur HoerlWriter

• Leon AmesMaj. Philip Waring
• Charlotte WyntersHelen Lane
• Joan WoodburyTherese Brahm
• Don DillawayPaul Waring
• Gustav von SeyffertitzAlbert Grood
• Tenen HoltzSimon Herrick
• Walter BonnAnton Decker
• Si WillsLt. Clarke
• George LynnLt. Tydall (as Peter Lynn)
• Jason Robards Sr.Ellsworth
• Sidney MillerJimmy
• Hooper AtchleyCmdr. Nash