In 1840s London, Dr. Thomas Bolton (Boris Karloff) dares to dream the unthinkable: to operate on patients without causing pain. Unfortunately, the road to general anesthesia is blocked by a ruthless killer (Christopher Lee), as well as Bolton's devastating addiction to his own chemical experiments.

Supplements Audio commentaries by Richard Gordon and writer Tom Weaver New video interviews with Day and costars Francis Matthews and Yvonne Romain Deleted scenes Original theatrical trailers and radio spots Stills galleries featuring production and publicity photographs

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Forum User Averages Film Rating: 6/10 Artwork Rating: 8/10 Picture Rating: 8/10 Audio Rating: 8/10 Extras Rating: 7/10