
Unarmed and outnumbered, they stunned the world with their incredible victory.
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.

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
Wolf Frees
Knippelberg