Great cast of horror stars, including a frightening Tor Johnson
“The Black Sleep” is a low-budget horror film notable for an all-star “Who’s Who in Horror” cast: Lon Chaney, Jr., John Carradine, Bela Lugosi, Tor Johnson, and Basil Rathbone. Though not the caliber of the Universal horror films of the 1930s and 1940s (“The Big Sleep” was made in 1956), it contains lots of similarities to those features — the mad doctor, the old dark house, monsters (sort of), and a period setting.<br /><br />In 1872, Dr. Joel Cadman (Rathbone) frames his scientist student, Dr. Gordon Ramsay (Herbert Rudley), for a murder that is part of a plan to administer the “black sleep,” a mysterious potion that will cause its recipient to appear dead. Cadman is motivated to find a cure for his comatose wife’s tumor and anesthetizes his experimental subjects before performing operations on their brains. Lugosi plays Cadman’s mute servant, Chaney portrays Mungo, a scientist rendered violently insane by Cadman’s unorthodox experiments, and Carradine — dressed in tatters — is a lunatic who fancies himself a prophet. Carradine has his finest moments in the film’s finale.<br /><br />Tor Johnson was a former professional wrestler who turned to acting as early as 1934, appearing in such films as “Shadow of the Thin Man,” “Road to Rio,” “Angels in the Outfield” and many others. He developed a friendship with Ed Wood and appeared in both “Bride of the Monster” and “Plan 9 From Outer Space.” His large size and bald head gave him a frightening on-screen appearance, so he generally played villains and/or monsters. I remember seeing “The Black Sleep” as a kid and being terrified by Johnson. I couldn’t get the image of his pupil-less eyes out of my mind. He has minimal dialogue in “The Black Sleep,” conveying terror merely by his imposing screen presence.<br /><br />With such a collection of horror stars in the cast, it’s a pity the film couldn’t be more than a variation of the mad doctor tale. Despite its meager budget, the movie has some good moments. Though the term is never used, Cadman’s experiments are zombies — a gruesome extension of the traditional Haitian zombie. George A. Romero would give horror aficionados the definitive version of the cannibalistic zombie in 1968’s “Night of the Living Dead.”<br /><br />Bonus features on the Blu-ray release include audio commentary by film historian Tom Weaver; “Trailers From Hell” with Joe Dante; and the original theatrical trailer.
The movie title "The Black Sleep (1956)," available on Movies & TV, has received an average rating of 4.4 from 168 reviewers. 
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 {"Genre": "Horror", "Format": "NTSC, Original recording remastered, Anamorphic, Widescreen", "Contributor": "John Carradine, Bela Lugosi, Tor Johnson, Akim Tamiroff, Lon Chaney Jr., Reginald Le Borg, Basil RathboneJohn Carradine, Bela Lugosi, Tor Johnson, Akim Tamiroff, Lon Chaney Jr., Reginald Le Borg, Basil Rathbone   See more", "Language": "English", "Runtime": "1 hour and 22 minutes", "Is Discontinued By Manufacturer": "No", "MPAA rating": "NR (Not Rated)", "Product Dimensions": "0.7 x 7.5 x 5.4 inches; 2.22 Ounces", "Item model number": "20066", "Director": "Reginald Le Borg", "Media Format": "NTSC, Original recording remastered, Anamorphic, Widescreen", "Run time": "1 hour and 22 minutes", "Release date": "March 22, 2016", "Actors": "Basil Rathbone, Bela Lugosi, Lon Chaney Jr., Akim Tamiroff, John Carradine", "Studio": "Kl Studio Classics", "Country of Origin": "USA", "Number of discs": "1"}

Here is a brief synopsis of the title : Newly re-mastered in HD! The masters of classic horror, Basil Rathbone (Tales of Terror), Bela Lugosi (Dracula, White Zombie), Lon Chaney, Jr. (The Wolf Man) and John Carradine (House of the Long Shadows) co-star in this terrifying horror classic about a crazed brain surgeon and his unorthodox experiments at a spooky old dark house. When the wife of a lunatic surgeon (Rathbone) slips into a coma, the doctor sets out to find a donor for a highly unorthodox brain transplant. The subsequent experiments result in the creation of a number of dangerous zombies, mutants and freaks that are soon unleashed on an unsuspecting populace. The stellar cast also includes Akim Tamiroff (After the Fox) and Tor Johnson (Plan 9 From Outer Space). From Reginald Le Borg, the director of horror classics, Diary of a Madman and The Mummy s Ghost..