Storyline:
A German U-boat stalks the frigid waters of the North Atlantic as its young crew experience the sheer terror and claustrophobic life of a submariner in World War II.

Cast:

Jürgen Prochnow Capt.-Lt. Henrich Lehmann-Willenbrock - Der Alte

Herbert Grönemeyer Lt. Werner - Correspondent

Martin Semmelrogge 2nd Lieutenant - 2WO

Bernd Tauber Kriechbaum - Chief Quartermaster-Navigator

Erwin Leder Johann