
In 19th century England, a noted brain surgeon rescues a former student from being hanged on a false conviction for murder, and spirits him away to an ancient, repurposed abbey far in the countryside. There, he connives his pupil into assisting him in mapping the functions of the various parts of the human brain, using living subjects who are under a terrible animation-suspending drug called "black sleep". Subsequently, the student, along with the daughter of one of the subjects, discover that most of these subjects have survived but are being kept in a dungeon-like cellar, in various stages of physical and mental derangement...

Basil Rathbone
Sir Joel Cadman

Herbert Rudley
Dr. Gordon Ramsay

Patricia Blair
Laurie Munroe


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June 15, 1956
1h 22m
6.2
Reginald Le Borg
John C. Higgins, Gerald Drayson Adams
45

Bel-Air Productions
US

United Artists
US

Akim Tamiroff
Odo the Gypsy

Phyllis Stanley
Daphne

Lon Chaney Jr.
Dr. Munroe, aka Mungo

Bela Lugosi
Casimir

John Carradine
Bohemund

George Sawaya
Sailor-Subject

Tor Johnson
Mr. Curry
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