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.
Genres:
Kirk Douglas as Dr. Rolf Pedersen
Richard Harris as Knut Straud
Ulla Jacobsson as Anna Pedersen
Michael Redgrave as Uncle
David Weston as Arne
Anton Diffring as Major Frick
Eric Porter as Terboven
Mervyn Johns as Col. Wilkinson
Jennifer Hilary as Sigrid
Roy Dotrice as Jensen
Barry Jones as Professor Logan
Ralph Michael as Nilssen
Geoffrey Keen as General Bolt
Maurice Denham as Doctor
Wolf Frees as Knippelberg
Robert Ayres as General Courts
Sebastian Breaks as Gunnar
John Golightly as Freddy
Alan Howard as Oli
Patrick Jordan as Henrik
William Marlowe as Claus
Brook Williams as Einar
David Davies as Captain of "Galtesund"
Karl Stepanek as Hartmuller
Faith Brook as Woman on Bus
Elvi Hale as Mrs. Sandersen
Gerard Heinz as Erhardt
Victor Beaumont as German Sergeant
Philo Hauser as Businessman
George Murcell as Sturmfuhrer
Russell Waters as Mr. Sandersen
Jan Conrad as Watchman in Factory
Annette Andre as Girl Student (uncredited)
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