Wastes a great cast on an uninteresting story about a mad scientist
Basil Rathbone, Lone Chaney, John Carradine, and Bela Lugosi all star in The Black Sleep which is what drew me to watch it. They don’t use their talents however. Rathbone is good as the crazy scientist, but the rest only get bit parts. They also don’t do enough with Rathbone’s experiments. There’s only one good part when his patients are discovered in a dungeon. That made The Black Sleep a disappointment.
The movie title "None," available on Prime Video, has received an average rating of 4.3 from 174 reviewers. 
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 {"Content advisory": ["Violence", "alcohol use", "foul language", "sexual content"], "Subtitles": ["None available"], "Directors": ["Le Borg", "Reginald"], "Producers": ["Howard W. Koch", "Aubrey Schenck"], "Starring": ["Basil Rathbone", "John Carradine"], "Studio": ["Deep Cuts"]}

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