

FBI teams up with Scotland Yard to avenge murder of G-Man!
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?
Gordon Douglas
Dr. Frederick Townsend

Lowell Gilmore
Dr. William Forrest

Philip Van Zandt
Anton Radchek

Charles Evans
Dr. Homer Allen

Frank Ferguson
Carl Bemish

Reed Hadley
Narrator (voice)