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88 minutes exactly β the "classic feature" runtime most directors aim for.

"The F.B.I.'s own tense, terrific story behind the protection of the ATOMIC BOMB!"
The US Government tries to track down embedded Nazi agents in the States.
βThe F.B.I.'s own tense, terrific story behind the protection of the ATOMIC BOMB!β

William Eythe
Bill Dietrich

Lloyd Nolan
Agent George A. Briggs

Signe Hasso
Elsa Gebhardt

Gene Lockhart
Charles Ogden Roper

Leo G. Carroll
Col. Hammersohn
Lydia St. Clair
Johanna Schmidt

William Post Jr.
Walker

Harry Bellaver
Max Cobura
Credits
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Cinephile deep dive
Henry Hathaway directs. Norbert Brodine behind the camera. David Buttolph scores. Harmon Jones cuts. Runs lean at under 100 minutes. Produced in United States of America. Dialogue in English.
Trivia
Awards
Individual records documented via Wikidata; the summary above may count more.
Part of
Semidocumentary-style adventures with FBI Agent George Briggs, portrayed by Lloyd Nolan
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Community reviews
Charles Booth won an Oscar for his writing on this early drama-documentary depicting the hunt by the FBI for an established network of Nazi fifth columnists long since operating in the USA. It falls to agent "Bill Dietrich" (William Eythe) to infiltrate the cell and to find out who is ultimately giving the orders - the mysterious "Mr. Christopher". Reporting to "Insp, Briggs" (Lloyd Nolan) he treads a perilous path as his newfound friends doubt his backstory and suspect him of being a double-agent. I was put off by the overly earnest narrative from Reed Hadley, and the acting is all pretty lacklustre aside from Leo G. Carroll as the duplicitous "Col. Hammersohn" who is feeding the information to "Dietrich" whilst simultaneously trying to verify his identity. The ending is all too predictable and that really lets it down quite badly. For such a sophisticated network of spies to be quite so easy to identify is doubtless meant to be a testament to the skills of the wartime FBI, but as a device for a story, it lacks credibility: the fire escape, really? Henry Hathaway keeps it moving along well enough but the story leaves just too obvious a trail of breadcrumbs for it to be intriguing, or plausible.
Production companies

20th Century Fox
US
Themes & keywords
Release history Β· US