(0 votes, average: 0.00/10)- Country: USA
- Genres: Crime, Drama, War
- Release: 1942-12-18
- Director: William Morgan
- Writers: Robert Tasker , Daniel Mainwaring
- Language: French | English
- Stars: John Hubbard , Virginia Grey , Lloyd Corrigan , Robin Raymond , Miles Mander , Olin Howland , Ben Welden , Marla Shelton , Neil Hamilton , Ken Christy
- Runtime: 70 min
- Awards: N/A
- AKA: Secrets of the Underground (United Kingdom) , Secrets of the Underground , Secrets of the Underground (United States of America) , Mr. District Attorney Does His Bit (United States of America) , O Mistério do Subterrâneo (Portugal, Portuguese Republic) , El misterio del baúl (Argentina)
- Plot: With the help of a WAAC group, Mr. District Attorny smashes a Nazi spy-ring that is selling counterfeit War Stamps and Bonds.
- IMDB:tt0036338
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Secrets of the Underground Cast · · · ALL
William Morgan
Director
John Hubbard
P. Cadwallader Jones
Virginia Grey
Terry Parker
Lloyd Corrigan
Maurice Vaughn
Robin Raymond
Marianne Panois
Miles Mander
Paul Panois
Olin Howland
Oscar Mayberry
Marla Shelton
Mrs. Perkins, WAAF
Neil Hamilton
Harry Kermit
Ben Welden
Henchman Joe (uncredited)