Das Boot is a submarine film that refuses to be a war movie. Directed by Wolfgang Petersen and based on Lothar-Günther Buchheim’s novel, it is a claustrophobic, grinding portrait of men locked beneath the ocean for months at a time, waiting for a fight that rarely comes and a death that always looms. The film is 150 minutes long, and almost every minute of it earns that length.
The story opens in October 1941 with Leutnant Werner, a war correspondent, joining the German submarine U-96. He is a naive young man sent to document the crew in action, and the ship’s captain and chief engineer drag him to a French bordello where he meets Thomsen, another captain, and witnesses his drunken toast mocking Adolf Hitler. The next morning, U-96 sails out of La Rochelle harbour, and Werner gets a tour of the boat. The crew is tight-knit, but the new men are mocked by the veterans, particularly the cynical captain, who calls his crew “boys.” The first watch officer, a young by-the-book officer named Johann, is particularly disliked for his meticulous grooming habits, which tie up the only bathroom.
For days, the boat drifts across the Atlantic, finding nothing. Then another U-boat spots an enemy convoy, and the chase begins. The U-96 is spotted by a British destroyer and attacked with depth charges. They escape with light damage. The next three weeks are spent enduring relentless North Atlantic gales, and morale drops after various misfortunes. The crew is cheered only by a chance encounter with Thomsen’s boat. After the storm ends, the boat encounters an Allied convoy and launches four torpedoes, sinking two ships. The convoy’s escorts counterattack, forcing the submarine to dive below test depth, its rated limit. Depth charges explode around them, and the chief machinist, Johann, has a panic attack and has to be restrained. The boat sustains heavy damage but surfaces at nightfall.
A British tanker they torpedoed is still afloat and on fire, so they hit it again, only to learn that sailors are still aboard. The crew watches as the sailors leap overboard and swim toward them, unable and unwilling to accommodate prisoners. That moment is the film’s hinge: it strips away the romance of battle and leaves only the cold, wet, cramped reality of survival.
Trailer, via YouTube Movies.
The Cast That Anchors the Chaos
Jürgen Prochnow plays the captain, a 30-year-old battle-hardened veteran called “Der Alte” (“the Old Man”) by his crew. He is openly anti-Nazi, embittered and cynical, openly critical about how the war is being handled. He complains to Werner that most of his crew are boys, but he is good-hearted and sympathetic, a man who cares deeply about his men even as he despises the war he is fighting.
Herbert Grönemeyer plays Werner, the war correspondent, who is naive but honest. He is mocked for his lack of experience and soon learns the true horrors of service on a U-boat. Klaus Wennemann plays the chief engineer, a quiet and well-respected man at age 27, the oldest crew member besides the captain. He is tormented by the uncertain fate of his wife, especially after hearing about a British air raid on Cologne. He oversees diving operations and makes sure the systems are running correctly.
Hubertus Bengsch plays the first watch officer, a young, by-the-book officer who is an ardent Nazi and a staunch believer in the Endsieg. He has a condescending attitude and is the only crewman who maintains his proper uniform and trim appearance while all the others grow their beards in the traditional U-boat fashion. He was raised in some wealth in Mexico by his stepparents, who owned a plantation. His German fiancée died in a British air raid. He spends his days writing thoughts on military training and leadership for the High Command. When the boat is trapped underwater near Gibraltar, he becomes pessimistic and begins to let go of his adherence to Nazi doctrine.
The ensemble is tight, and each man’s small gestures — a look, a shrug, a laugh — carry more weight than any line of dialogue. The film trusts the actors to find the humanity in characters who are otherwise stereotypes, and it pays off.
A Tense, Confined Space
Das Boot is a technical marvel. The camera moves through the submarine with a fluidity that makes the space feel alive. The film was produced on a DM32 million budget, roughly $13 million, which made it among the most expensive films in German cinema. That money shows. The sound design is oppressive, with water rushing, motors humming, and voices echoing in the confined metal shell. The cinematography is dark, wet, and often dim, but it never loses focus. The audience is guided through “a journey to the edge of the mind,” as the film’s German tagline puts it, showing “what war is all about.”
The film is not interested in spectacle. There are no sweeping aerial shots, no grand speeches, no heroic charges. There is only the submarine, the water, the men, and the constant fear of being found. The tension builds slowly, through long stretches of boredom punctuated by sudden attacks, and it never lets up. The director wants the audience to feel the dread of being hunted, and he succeeds.
“On land they dreamed of being heroes. Beneath the sea they pray to be survivors.”
That tagline captures the film’s entire thesis. The men who sign up for the U-boat corps are not heroes; they are volunteers who want to serve their country. Underwater, they are not heroes. They are survivors, and the difference is the whole point.
The Weight of Being a Survivor
Das Boot is a grim film, but it is not bleak. The crew shares a bond that holds even as they fight and mock each other. They are ordinary men doing extraordinary things, and the film never loses sight of their ordinariness. The captain is not a noble leader; he is a tired, frustrated sailor who wants his men to live. Werner is not a hero; he is a witness who records what he sees. Johann is not a villain; he is a man who panics under pressure.
The film’s refusal to romanticize its subject is what makes it powerful. It does not offer comfort, and it does not offer closure. It simply shows what happens when men are put in a box and told to wait for death. The final image is not a triumphant return to port; it is the crew staring at the water, exhausted and alive.
A Masterpiece of Its Kind
Das Boot is not a great film because it is exciting. It is a great film because it is accurate. It shows the boredom, the fear, the camaraderie, and the horror of submarine warfare without ever leaning on cheap tricks. It is a technical achievement, a human drama, and a historical document. It is also a hard watch, and it is unapologetic about that.
The film was a commercial success, grossing nearly $85 million. People came to see this film because it showed them something they had never seen before, and they stayed to see it through.
Our Verdict
Das Boot is a masterpiece of the war genre. It is not a film for everyone, and it is not a film that offers easy answers. It is a film that asks difficult questions and then leaves them hanging. It is a film that respects its audience by refusing to patronize them.
The film is a journey to the edge of the mind, and it stays there. It is a film that demands attention, and it rewards it.
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