Great Film Noir feel to the opening of this murder mystery
Green For Danger is a murder mystery with a real Film Noir feel to it. It uses light and shadow to great effect in the first half. There’s a sequence where a nurse is being chased and then finds herself in an empty hospital where darkness is emphasized throughout with only flashes of brightness. The detective looking into the case Alastair Sim is so nonchalant you can’t help but like him. The whodunnit aspect is well done.
The movie title "None," available on Prime Video, has received an average rating of 4.5 from 472 reviewers. 
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 {"Audio languages": ["English"], "Subtitles": ["English [CC]"], "Directors": ["GilliatSidney"], "Producers": ["Sidney Gilliat", "Frank Launder"], "Starring": ["Leo Genn", "Alstair Sim", "Trevor Howard"]}

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