
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?

as Philip 'Scotty' Grayson

as Daniel F. O'Hara

as Dr. Anastasia 'Toni' Neva

as Dr. Ritter von Stolb

as Igor Braun

as Krebs

as Dr. Frederick Townsend

as Dr. William Forrest

as Anton Radchek

as Dr. Homer Allen

as Carl Bemish

as Narrator (voice)

as Police Sergeant

as FBI Chemist

as Voice on Tape Recorder

as Mr. North

as Mrs. Ecko, the Landlady

as FBI Agent Miller

as Adolph Mizner

as Police Detective Gaines

as Feodore

as FBI Agent Alison

as FBI Agent Thompson

as G.W. Hunter







