Cipher Bureau (1938)

:For the Polish organization see Biuro Szyfrów, for the U.S. intelligence agency see Black Chamber.

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Cast:

• Leon Ames
• Hooper Atchley
• Walter Bonn
• Don Dillaway
• Robert Frazer
• Tenen Holtz
• George Lynn
• Sidney Miller
• Jason Robards Sr.
• Gustav von Seyffertitz
• Si Wills
• Joan Woodbury
• Charlotte Wynters