What 1948 noir was credited to Alfred L. Werker after Anthony Mann directed scenes?

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The 1948 noir credited to Alfred L. Werker after Anthony Mann directed scenes was He Walked by Night.

The film is a semi-documentary police procedural inspired by the real crimes of Erwin “Machine-Gun” Walker, a former police employee and World War II veteran who carried out burglaries, robberies, and shootouts around Los Angeles. Richard Basehart plays the elusive criminal, with Scott Brady and Roy Roberts among the officers pursuing him.

Alfred L. Werker received the directing credit, while Anthony Mann contributed uncredited direction during production. The film is especially admired for John Alton’s stark black-and-white cinematography and its tense final pursuit through Los Angeles’s storm-drain tunnels.

It also has an important connection to Dragnet. Actor Jack Webb worked on the production and met police technical adviser Marty Wynn, whose methods helped inspire Webb’s later radio and television police series. The other options are related noir titles, but none has this Werker-Mann directing history.

Source: Wikipedia · fact-checked Sept. 2026

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