Reporter vs. German spies and their new metal.
Warren Hull
Bill MacGregor
Kay Linaker
Sonia Manning
Wilhelm von Brincken
Professor Werner
George Cleveland
John MacGregor
Fern Emmett
Aunt Mary
Edward Keane
Newspaper Editor
Willy Castello
Eric Bowman
John Sheehan
Marden
Herbert Corthell
Pete
Vince Rush
Gruen
