19th-century London psychologist Charles Marlowe experiments with a mind-altering drug. He develops a malevolent alter ego, Edward Blake, who his friend Utterson suspects of blackmailing Marlowe.
Directed byStephen Weeks
Written byRobert Louis Stevenson, Milton Subotsky
CountryUnited Kingdom
Runtime70 min
On screen
Christopher Lee
Peter Cushing
Mike Raven