Cipher Bureau
Directed by	Charles Lamont
Written by	Arthur Hoerl, from a Monroe Shaff story
Produced by	Franklyn Warner
Cinematography	Arthur Martinelli
Distributed by	Grand National Pictures
Release date	October 26, 1938 (1938-10-26)
Running time	64 minutes
Country	United States
Language	English

Cipher Bureau is a 1938 American film directed by Charles Lamont. The film was successful enough to elicit a sequel, Panama Patrol.

Plot

Philip Waring, the head of a listening agency in Washington D.C., is dedicated to breaking up a foreign radio-spy ring. He enlists his naval-officer brother and tangles with beautiful spies.

Cast

• Leon Ames as Philip Waring
• Charlotte Wynters as Helen Lane
• Joan Woodbury as Therese Brahm
• Don Dillaway as Paul Waring
• Gustav von Seyffertitz as Albert Grood
• Tenen Holtz as Simon Herrick
• Walter Bonn as Anton Decker
• Si Wills as Lt. Clarke
• George Lynn as Lt. Tydall
• Jason Robards as Ellsworth
• Sidney Miller as Jimmy
• Hooper Atchley as Commander Nash
• Robert Frazer as Paul's counsel