I, Monster

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This article is about the horror film. For the British music group, see I Monster.
I, Monster
I, Monster Poster.jpg
The DVD cover
Directed by Stephen Weeks
Produced by John Dark
Max Rosenberg
Milton Subotsky
Written by Milton Subotsky
Based on The Strange Case of Dr. Jekyll and Mr. Hyde by Robert Louis Stevenson
Starring Christopher Lee
Peter Cushing
Mike Raven
Richard Hurndall
George Merritt
Kenneth J. Warren
Music by Carl Davis
Cinematography Moray Grant
Edited by Peter Tanner
Distributed by British Lion Films (UK)
The Cannon Group (USA)
Release date
  • 1 November 1971 (1971-11-01) (UK)
  • 1973 (1973) (USA)
Running time
75 min.
Country UK
Language English

I, Monster is a 1971 British horror film directed by Stephen Weeks (his feature debut) for Amicus Productions. It is an adaptation of Robert Louis Stevenson's Strange Case of Dr. Jekyll and Mr. Hyde, with the main characters' names changed to Dr. Charles Marlowe and Mr. Edward Blake.


Psychologist Charles Marlowe (Lee) invents a drug which will release his patients' inhibitions. When he tests it on himself, he becomes the evil Edward Blake, who descends into crime and eventually murder. Utterson (Cushing), Marlowe's lawyer, believes that Blake is blackmailing his friend until he discovers the truth.



It stars Christopher Lee as the Doctor and his alter ego, and Peter Cushing as Frederick Utterson, a central character in Stevenson's original story. Mike Raven and Susan Jameson also star. It was photographed by Moray Grant, with music by Carl Davis.

Peter Duffell who had previously worked for Amicus was offered the movie to direct but turned it down. Finance came from British Lion and the NFFC.[1]

It was intended to be shown in 3-D, but the process was aborted mid-filming. This caused production to finish behind schedule.[1]


The film performed poorly at the box office.[1]


  1. ^ a b c Ed. Allan Bryce, Amicus: The Studio That Dripped Blood, Stray Cat Publishing, 2000 p 72-79

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