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.
Jürgen Prochnow
as Captain Lieutenant 'Der Alte'
Herbert Grönemeyer
as Lieutenant Werner
Klaus Wennemann
as Chief Engineer
Hubertus Bengsch
as First Watch Officer
Martin Semmelrogge
as Second Watch Officer
Bernd Tauber
as Kriechbaum
Erwin Leder
as Johann 'Das Gespenst'
Martin May
as Ullmann
Heinz Hoenig
as Hinrich
Uwe Ochsenknecht
as Chief Bosun
Claude-Oliver Rudolph
as Ario
Jan Fedder
as Pilgrim