Set in Norway and has a crack team of Allies sent to blow up an underground Nazi factory where the Germans have taken a crashed Spitfire that contains a new radar system that the krauts want to copy.
Practical Effects
Real Norwegian locations and actual WWII hardware on screen.
Acting
Henry Silva's thousand-yard stare could stop tanks.
Direction
Lucidi's claustrophobic underground climax is genuinely tense.
Director
Maurizio Lucidi
Trivia, insights & behind the scenes
Part of the 1960s 'spaghetti war' boom: Italian studios cranking out WWII action cheap and fast for global markets.
Henry Silva filmed this back-to-back with another Euro-war flick, barely changing costumes between productions.