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