A German submarine hunts allied ships during the Second World War, but it soon becomes the hunted. The crew tries to survive below the surface, while stretching both the boat and themselves to their limits.
Captain Lieutenant 'Der Alte'
Jürgen Prochnow
Lieutenant Werner
Herbert Grönemeyer
Chief Engineer
Klaus Wennemann
First Watch Officer
Hubertus Bengsch
Second Watch Officer
Martin Semmelrogge
Kriechbaum
Bernd Tauber
Johann 'Das Gespenst'
Erwin Leder
Ullmann
Martin May
Hinrich
Heinz Hoenig
Chief Bosun
Uwe Ochsenknecht
Ario
Claude-Oliver Rudolph
Pilgrim
Jan Fedder
Monique
Rita Cadillac
Frenssen
Ralf Richter
Preacher
Joachim Bernhard
Schwalle
Oliver Stritzel
Bockstiegel
Konrad Becker
Dufte
Lutz Schnell
Brückenwilli
Martin Hemme
Phillip Thomsen
Otto Sander
Weser Captain
Günter Lamprecht
Thomas Boxhammer
Roger Barth
Weser First Officer
Günther Franke
Christian Bendomir
Norbert Gronwald
Albert Kraml
Benjamin
Jean-Claude Hoffmann
Peter Pathenis
Hagen
Arno Kral
Christian Seipolt
Schmutt
Helmut Neumeier
Ferdinand Schaal
Franz
Wilhelm Pietsch
Rolf Weber
Markus
Dirk Salomon
Lothar Zajicek
Weser Officer (uncredited)
Sky du Mont
Merkel (uncredited)
Ulrich Günther
Nadine (uncredited)
Edwige Pierre
Françoise (uncredited)
Maryline Moulard
Seewald (uncredited)
Günter Spörrle