Directed by Fritz Lang, M (1931) is a foundational masterpiece of psychological suspense and a landmark of German Expressionism. It was Lang’s first “talkie,” and he utilized the new medium of sound to create an atmosphere of dread that remains unparalleled in cinema history.
The Premise
The city of Berlin is paralyzed by fear as a serial killer of children remains at large. The police, under immense pressure from the government and the public, begin a relentless, high-pressure crackdown on the city’s criminal underworld. This constant police surveillance makes it impossible for the local mobsters, thieves, and racketeers to conduct their “business.”
The Conflict
In an ironic twist, the professional criminals decide to take matters into their own hands. To get the police off their backs, the underworld organizes its own massive manhunt to track down the killer. The film follows two parallel investigations:
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The Police: Using modern forensics and painstaking bureaucratic detective work.
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The Criminals: Using their vast network of beggars and informants to watch every street corner.
At the center of it all is Hans Beckert (Peter Lorre), a man tormented by his own uncontrollable impulses, who finds himself hunted by both the law and the lawless.
Key Cast and Crew
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Director: Fritz Lang
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Hans Beckert: Peter Lorre
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Inspector Karl Lohmann: Otto Wernicke
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The Safecracker (Der Schränker): Gustaf Gründgens
Notable Elements
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The Whistle: The film famously uses a recurring musical motif—the whistling of Edvard Grieg’s “In the Hall of the Mountain King”—to herald the killer’s presence.
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Peter Lorre’s Performance: In his breakout role, Lorre portrays the antagonist not as a cartoonish monster, but as a pathetic, terrified man, forcing the audience to grapple with complex questions of morality and mental health.
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Social Commentary: Beyond a simple thriller, M serves as a chilling critique of a society on the brink of collapse, exploring themes of mob justice and the thin line between order and chaos.
“Who knows what it is like to be me? To hear those voices… and then, it happens.” — Hans Beckert
