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.

Cast:Kirk Douglas, Richard Harris, Ulla Jacobsson, Michael Redgrave, David Weston, Anton Diffring,

Genre:Action, Drama, War,

country:United Kingdom,

Production:Benton Film Productions, The Rank Organisation,