Poster for I, Monster

TMDB19711h 10mHorror / Science Fiction

I, Monster

TMDB movie listing

Christopher Lee stars in this Amicus production of “Dr. Jekyll & Mr. Hyde” where the names have been changed to Dr. Marlowe and Mr. Blake. Lee as Dr. Marlowe experiments with intravenous drugs that are suppose to release inner inhibitions. So comes forth Mr. Blake (also Lee) who gets more monstrous with each transformation. Peter Cushing plays his friend and colleague, Dr. Utterson.

55

TMDB audience score

Based on 57 votes

Saved only on this device unless you sign in.

Availability in the UK

Where the story is waiting

Provider listings are supplied by JustWatch through TMDB. Verify pricing and availability before renting or subscribing.

No UK offers are currently listed by TMDB.

UK only · Refreshed 10 Oct 2026.

MyCinema quick facts

I, Monster at a glance

Worked out from the film's TMDB record and its United Kingdom provider listings. These are facts about the data, not a review.

Runtime

Short watch · 1h 10m

At 1h 10m it runs under 90 minutes.

More horror under 90 minutes

Genres

Horror · Science Fiction

TMDB files it under horror and science fiction.

UK availability

No UK listings

No UK subscription, free, rental, or purchase listing is currently recorded for this film.

TMDB audience score

5.5 / 10 on TMDB

TMDB users rate it 5.5 out of 10 across 57 votes, a mixed audience score. That is a moderate sample of voters.

Why watch I, Monster tonight

It is a short one: 1h 10m, so it fits a late start.
There is a trailer on this page if you want a look first.

More like this

Horror and thrillers that TMDB recommends alongside this film.

Twice-Told Tales poster

Twice-Told Tales

Horror / Fantasy · 2h 0m

Silver Bullet poster

Silver Bullet

Horror · 1h 35m

The Haunting Hour: Don't Think About It poster

The Haunting Hour: Don't Think About It

Horror / Fantasy · 1h 27m

The Hound of the Baskervilles poster

The Hound of the Baskervilles

Mystery / Crime · 1h 20m

The Return of Doctor X poster

The Return of Doctor X

Science Fiction / Horror · 1h 2m

The Curse of Frankenstein poster

The Curse of Frankenstein

Horror / Science Fiction · 1h 23m

The Evil of Frankenstein poster

The Evil of Frankenstein

Horror / Science Fiction · 1h 27m

The Dead Zone poster

The Dead Zone

Thriller / Horror · 1h 43m

Mark of the Vampire poster

Mark of the Vampire

Mystery / Horror · 1h 0m

The Oblong Box poster

The Oblong Box

Horror · 1h 36m

Dracula's Daughter poster

Dracula's Daughter

Horror · 1h 11m

The End of Oak Street poster

The End of Oak Street

Science Fiction / Mystery · 1h 40m

Siren poster

Siren

Horror / Thriller · 1h 22m

The Haunting poster

The Haunting

Horror · 1h 52m