The US Government tries to track down embedded Nazi agents in the States.
Bill Dietrich
Agent George A. Briggs
Elsa Gebhardt
Charles Ogden Roper
Col. Hammersohn
Johanna Schmidt
Walker
Max Cobura
Narrator (voice)
Saboteur
Adolf Lange
Conrad Arnulf
Gustav Hausmann
Adolf Klein
Luise Vajda
Dr. Arthur C. Appleton
Admiral
