In 1939 German U-boat captain Günther Prien receives orders to infiltrate the British Royal Navy base at Scapa Flow and sink British warships.
Dieter Eppler
Sabine Sesselmann
Joachim Fuchsberger
Harald Juhnke
Dieter Borsche
Olga Tschechowa
Horst Naumann
Heinz Engelmann
Michael Cramer
Peter Carsten
