
I, Monster 1971
Step into the shadowy corridors of Victorian-era London with *I, Monster (1971)*, a haunting reimagining of Robert Louis Stevenson's classic *Strange Case of Dr Jekyll and Mr Hyde*.
Director: Stephen Weeks
Cast








Frequently Asked Questions
What is I, Monster (1971) about?
*I, Monster* follows Dr. Marlowe, a dedicated scientist experimenting with intravenous drugs to suppress his inhibitions. But his treatments backfire, unleashing Mr. Blake—an increasingly violent and monstrous version of himself. As the transformations grow more extreme, Marlowe's life spirals into chaos, revealing the dark underbelly of human nature.
Who directed I, Monster?
The film was directed by Stephen Weeks, a British filmmaker known for his contributions to horror and fantasy cinema.
Who stars in I, Monster?
The film features horror icons Christopher Lee and Peter Cushing, alongside Mike Raven, Richard Hurndall, and George Merritt.
Is I, Monster (1971) worth watching?
While short at 70 minutes, *I, Monster* is a hidden gem for fans of classic horror and sci-fi. Lee's dual performance is captivating, and the film's gothic atmosphere makes it a memorable watch for enthusiasts of vintage horror. It may not dazzle modern CGI-lovers, but its storytelling prowess holds up.
How long is I, Monster?
The runtime of *I, Monster* is 70 minutes.
🎥 Trailer
About I, Monster (1971) — Gothic Horror Meets Sci-Fi in a Legendary Dual Role
Step into the shadowy corridors of Victorian-era London with *I, Monster (1971)*, a haunting reimagining of Robert Louis Stevenson's classic *Strange Case of Dr Jekyll and Mr Hyde*. Directed by Stephen Weeks, this eerie horror-sci-fi hybrid stars horror legends Christopher Lee and Peter Cushing, whose chemistry electrifies every scene. Lee delivers a dual performance as the tormented Dr. Marlowe and his increasingly monstrous alter ego, Mr. Blake—an experiment gone tragically wrong. As Marlowe's injections of a mysterious drug spiral out of control, Blake's darker impulses take over, unleashing a descent into madness that blurs the lines between science and the supernatural.
Against a backdrop of gothic tension, the film explores the duality of human nature, guilt, and the fragility of the human psyche. With its moody cinematography and atmospheric dread, *I, Monster* crafts a gothic nightmare that lingers long after the credits roll. Whether you're a fan of psychological horror or a connoisseur of vintage sci-fi, this Amicus production remains a chilling testament to the power of classic storytelling reimagined.