Das Boot (1981) is a German war film directed by Wolfgang Petersen, based on the 1973 novel by Lothar-Günther Buchheim. The movie is a gripping and realistic portrayal of life aboard a German U-boat (submarine) during World War II. It is renowned for its intense atmosphere, claustrophobic setting, and unflinching look at the psychological and physical pressures faced by the crew during their missions in the Atlantic.

Jürgen Prochnow as the Captain (Der Alte), the experienced and level-headed commander of U-96

Herbert Grönemeyer as Lt. Werner, the war correspondent who joins the crew to document their experience

Klaus Wennemann as the Chief Engineer (Leitender Ingenieur), responsible for keeping the U-boat operational

Das Boot is celebrated for its realistic depiction of submarine warfare and the tension of life underwater, as the crew faces constant danger from Allied ships and depth charges.

The film captures both the camaraderie and despair of the crew, who are isolated in a tight, suffocating environment.

The film was released in several versions, including a theatrical cut, a director’s cut, and a full miniseries version. It received widespread critical acclaim for its direction, cinematography, and performances, particularly Prochnow’s portrayal of the Captain.

Das Boot was nominated for six Academy Awards, including Best Director, Best Cinematography, and Best Adapted Screenplay, making it one of the most successful German films internationally.

Its legacy endures as one of the greatest war films ever made, praised for its realism, technical craftsmanship, and its balanced portrayal of the human cost of war, regardless of nationality.