Foreign spies infiltrate: a German airplane factory testing a new bomber, a metal works, and a bank, in this propagandistic warning to guard your tongues when talking to strangers.Foreign spies infiltrate: a German airplane factory testing a new bomber, a metal works, and a bank, in this propagandistic warning to guard your tongues when talking to strangers.Foreign spies infiltrate: a German airplane factory testing a new bomber, a metal works, and a bank, in this propagandistic warning to guard your tongues when talking to strangers.
Carl Auen
- Detective Assmann
- (uncredited)
Ernst Behmer
- Photographer
- (uncredited)
Kurt Daehn
- Ein Geheimkurier
- (uncredited)
Otto Graf
- Captain Dressler
- (uncredited)
