The U 96 encounters a convoy and sinks three cargo ships with its torpedoes. Then a 24-hour pursuit of the submarine begins with two destroyers dropping depth charges. The "old man" tries to escape in 230 meters of water depth. The end for U 96 seems to have come.

• Wolfgang Petersen
• Dean Riesner
• Lothar-Günther Buchheim

• Edwige Pierre
• Jürgen Prochnow
• Herbert Grönemeyer