The Black Sleep (aka Dr. Cadman's Secret)

Basil Rathbone stars as a well-respected early-1800s English doctor whose attempts to cure his wife of a brain tumor lead to bizarre experiments on unwilling subjects and a castle home that's packed to the rafters with mutants, madmen, and other "test cases." The all-star supporting cast includes Bela Lugosi, John Carradine, Lon Chaney, Jr., and Tor Johnson; with Herbert Rudley, Patricia Blair. AKA: "Dr. Cadman's Secret." 81 min. Standard; Soundtrack: English.