The Black Sleep

The Black Sleep is a 1956 film about a 19th-century doctor who kidnaps living people and experiments on their brains, while they are still alive but under the influence of a powerful anesthetic, in an effort to discover a way to cure his wife's brain tumor. ''Directed by Reginald Le Borg. Written by John C. Higgins, based on a story by Gerald Drayson Adams.'' The Terror Drug That Wakes the Dead! (taglines)

Sir Joel Cadman

 * Rome wasn't built in a day, so it must have been built in the night.

Taglines

 * The Terror Drug That Wakes the Dead!
 * Out of the evil brain of a twisted scientist comes a fantastic robot army - crushing all barriers...feeding on beauty - lusting to claw the world apart!
 * A horror horde of monster mutants walk the Earth!
 * Rising from the depths of a black hell!
 * Horror beyond Belief rising from the depths of a black hell!

Cast
and, as the monsters:
 * Basil Rathbone — Sir Joel Cadman
 * Herbert Rudley - Dr. Gordon Angus Ramsey
 * Patricia Blair (as Patricia Blake) - Laurie Monroe
 * Akim Tamiroff — Udu the Gypsy
 * Phyllis Stanley - Nurse Daphnae
 * Lon Chaney Jr. — Dr. Monroe aka Mungo
 * John Carradine — "Bohemund"
 * Bela Lugosi — Casimir
 * Tor Johnson - Mr. Curry
 * George Sawaya - Sailor-Subject
 * Sally Yarnell - Woman-Subject