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.
as Dr. Rolf Pedersen
as Knut Straud
as Anna Pedersen
as Uncle
as Arne
as Major Frick
as Terboven
as Col. Wilkinson
as Sigrid
as Jensen
as Professor Logan
as Nilssen
as General Bolt
as Doctor
as Knippelberg
as General Courts
as Gunnar
as Freddy
as Oli
as Henrik
as Claus
as Einar
as Captain of "Galtesund"
as Hartmuller
as Woman on Bus
as Mrs. Sandersen
as Erhardt
as German Sergeant
as Businessman
as Sturmfuhrer
as Mr. Sandersen
as Watchman in Factory
as Girl Student (uncredited)