FBI agent Ed Renard investigates the pre-War espionage activities of the German-American Bund.
Edward G. Robinson
Edward 'Ed' Renard
Francis Lederer
Kurt Schneider
George Sanders
Franz Schlager
Paul Lukas
Dr. Kassell
Henry O'Neill
Attorney Kellogg
Dorothy Tree
Hilda Kleinhauer
Lya Lys
Erika Wolf
Grace Stafford
Mrs. Schneider
