Crime Drama
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?
Directed by
Gordon Douglas
Frank Ferguson
Carl Bemish
Grandon Rhodes
Adolph Mizner
William Tannen
FBI Chemist
Dennis O'Keefe
Daniel F. O'Hara
Arthur Tovey
Lee Phelps
Charles Evans
Dr. Homer Allen
John Hamilton
G.W. Hunter
Onslow Stevens
Igor Braun
Philip Van Zandt
Anton Radchek
Marten Lamont
Raymond Burr
Krebs
Steve Pendleton
Police Detective Gaines
Howard Negley
Feodore
Louis Hayward
Philip 'Scotty' Grayson
Paul Bryar
Ray Teal
Police Sergeant
Carl Esmond
Dr. Ritter von Stolb
Reed Hadley
Narrator (voice)
Suzanne Ridgway
Lowell Gilmore
Dr. William Forrest
Myron Healey
FBI Agent Thompson
Louise Allbritton
Dr. Anastasia 'Toni' Neva
Arthur Space
Mr. North
Gale Storm
Voice on Tape Recorder
Crane Whitley
Art Baker
Dr. Frederick Townsend
Keith Richards
FBI Agent Miller
Tamara Shayne
Mrs. Ecko, the Landlady
Jimmy Lloyd
FBI Agent Alison
Fred Coby
Bert Davidson

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