I, Monster - Region 1 DVD

In this chilling twist on the classic Jekyll and Hyde story, psychologist Charles Marlowe (The Lord of the Rings' Christopher Lee) invents a drug which releases his patients' inhibitions - but tests on himself result in the cruel, immoral Edward Blake, who wreaks crime and murder upon the city. Marlowe#s lawyer, Utterson (Star Wars' Peter Cushing), believes Blake is blackmailing the good doctor but soon uncovers the horrifying truth.