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.
Director
Anthony Mann
Kirk Douglas
Dr. Rolf Pedersen
Richard Harris
Knut Straud
Ulla Jacobsson
Anna Pedersen
Michael Redgrave
Uncle
David Weston
Arne
Anton Diffring
Major Frick
Eric Porter
Terboven
Mervyn Johns
Col. Wilkinson
Jennifer Hilary
Sigrid
Roy Dotrice
Jensen
Barry Jones
Professor Logan
Ralph Michael
Nilssen
Geoffrey Keen
General Bolt
Maurice Denham
Doctor
US
GB
