I, Monster (1971)

UK, 1971
75m, 2,214 metres
3D (never shown in this format)

A British horror film directed by Stephen Weeks.

Plot Summary

Dr Marlowe is experimenting with a serum he has invented which he hopes will allow him to release his inner inhibitions and which he plans to use as a psychiatric tool. But instead it transforms him into the progressively more monstrous Mr Blake who becomes more bestial and murderous with each transformation.


Directed by: Stephen Weeks
© 1971 Amicus Productions Ltd.
Made in association with British Lion Films Limited
Produced by: Max J. Rosenberg and Milton Subotsky
Production Manager: Teresa Bolland
Screenplay by: Milton Subotsky
Based on a story by Robert Louis Stevenson
1st Assistant Director: Al Burgess
Continuity: Phyllis Townshend
Director of Photography: Moray Grant
Camera Operator: Robert Kindred
Editor: Peter Tanner
Photographed in Eastmancolor
Processed by Rank Film Laboratories
Music by: Carl Davis
Sound Mixer: Buster Ambler
Sound Editor: Michael Redbourn
Dubbing Mixer: Nolan Roberts
RCA Sound System
Wardrobe: Bridget Sellers
Make-up: Harry Frampton; Peter Frampton [uncredited]
Hairdresser: Joyce James
Titles by: G.S.E.
Art Director: Tony Curtis
Set Dresser: Peter Young
Produced at: Shepperton Studios, Shepperton, Middlesex, England
Casting Director: Ronnie Curtis

Christopher Lee ([Dr Charles] Marlowe/[Edward] Blake)
Peter Cushing ([Frederick] Utterson)
Mike Raven (Enfield)
Richard Hurndall (Lanyon)
George Merritt (Poole)
Kenneth J. Warren (Deane)
Susan Jameson (Diane [Thomas])
Marjie Lawrence (Annie)
Aimee Delamain (landlady)
Michael Des Barres (boy in alley)
Malcolm Douglas [uncredited]
Chloe Franks [uncredited]
Tony Parkin [uncredited]
Lesley Judd [woman in alley – uncredited]
Ian McCulloch [man in public house – uncredited]

Alternative Titles

Fruktans monster – Swedish title
Hirviö РFinnish title
El monstruo – Spanish title
O Soro Maldito – Brazilian title
La vera storia del Dottor Jekyll – Italian title

Extracts included in
The Many Faces of Christopher Lee (1996)


Cinefantastique vol.2 no.4 (Summer 1973) pp.16-17 – review
The Dark Side no.65 p.24 – credits, review
Halls of Horror no.27 p.23 – note
Monthly Film Bulletin vol.38 no.455 (December 1971) p.241 – credits, synopsis, review
Monthly Film Bulletin vol.39 no.459 (April 1972) p.85 – note
Sight & Sound vol.15 no.2 (February 2005) p.85 – DVD review (by Geoffrey Macnab)
Today’s Cinema no.9847 (13 October 1970) p.8 – credits
Video Index no.9 (January/March 1983) p.82 – UK video distribution data


The Aurum Film Encyclopedia: Horror by Phil Hardy (ed.) p.222
The Aurum Film Encyclopedia: Science Fiction by Phil Hardy (ed) p.293
Chopped Meat: British Horror of the 1970s by Darrell Buxton p.unpaginated – note
Christopher Lee and Peter Cushing and Horror Cinema: A Filmography of Their 22 Collaborations by Mark A. Miller pp.250-266
Educational Institutions in Horror Film: A History of Mad Professors, Student Bodies, and Final Exams by Andrew L. Grunzke pp.77-78
English Gothic: A Century of Horror Cinema by Jonathan Rigby pp.205-206, 232
The Films of Christopher Lee by Robert W. Pohle Jr and Douglas C. Hart pp.149-150
Hoffman’s Guide to SF, Horror and Fantasy Movies 1991-1992 p.184 – credits, review
Horror and Science Fiction Films II by Donald C. Willis p.186 – credits
Horror Films of the 1970s by John Kenneth Muir p.120 – credits, note
The Horror Film Handbook by Alan Frank p.78 – credits, synopsis, review (by Alan Frank)
Peter Cushing: The Gentle Man of Horror and His 91 Films by Deborah Del Vecchio and Tom Johnson pp.262-266
Reference Guide to Fantastic Films by Walt Lee p.210 – credits
Science Fiction, Fantasy, and Horror Film Sequels, Series, and Remakes by Kim R. Holston and Tom Winchester p.120-121
Serial Killer Cinema: An Analytical Filmography by Robert Cetti p.217-218