Set in German-occupied Norway, resistance fighter Knut Straud enlists the reluctant physicist Rolf Pedersen in an effort to destroy the German heavy water production plant in rural Telemark.
Dr. Rolf Pedersen
Knut Straud
Anna Pedersen
Uncle
Arne
Major Frick
Terboven
Col. Wilkinson
Sigrid
Jensen
Professor Logan
Nilssen
General Bolt
Doctor
General Courts
Oli
Henrik
Claus
Hartmuller
Woman on Bus
Mrs. Sandersen
Erhardt
Mr. Sandersen
Girl Student (uncredited)
Director
Producer
Screenplay