
A security leak is found at a Southern California atomic plant. The authorities stand in fear that the information leaked would go to a hostile nation. To investigate the case more efficiently, Dan O'Hara, an FBI agent, and Philip Grayson, a Scotland Yard sleuth, join forces. Will they manage to stop the spy ring from achieving their aim?

Louis Hayward
Philip 'Scotty' Grayson

Dennis O'Keefe
Daniel F. O'Hara

Louise Allbritton
Dr. Anastasia 'Toni' Neva

Carl Esmond
Dr. Ritter von Stolb


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September 2, 1948
1h 31m
6.2
Gordon Douglas
George Bruce, Bertram Millhauser
24


Columbia Pictures
US
Edward Small Productions
US

Onslow Stevens
Igor Braun

Raymond Burr
Krebs

Art Baker
Dr. Frederick Townsend

Lowell Gilmore
Dr. William Forrest

Philip Van Zandt
Anton Radchek

Charles Evans
Dr. Homer Allen
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