Directed by Robert Day • 1959 • United States
Starring Boris Karloff, Christopher Lee, Betta St. John

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.