Demons of the Mind (1972)

89m, 8,003 feet
35mm, Technicolor
mono, English

A British horror film directed by Peter Sykes.

Plot Summary

Baron Zorn has imprisoned his two incestuous children Elizabeth and Emil in his gloomy mansion. Discredited scientist Professor Falkenberg and his student Carl are duped into trying to cure the adolescent but soon realise that the cause of the family madness is Zorn himself. After shooting Falkenberg, Zorn sets out to hunt down his children who have escaped captivity…


* = uncredited

Directed by: Peter Sykes
© MCMLXXI [1971] Hammer Film Productions Limited
Nat Cohen presents for Anglo-EMI Film Distributors Ltd a Hammer production in association with Frank Godwin Productions Ltd. Released through MGM/EMI Distributors Limited. Distributed by Anglo/EMI Film Distributors Limited
Produced by: Frank Godwin
Screenplay by: Christopher Wicking
From an Original Story by: Christopher Wicking and Frank Godwin
Director of Photography: Arthur Grant
Editor: Chris Barnes
Music Composed by: Harry Robinson
Sound Recordist: John Purchese
Wardrobe Supervisor: Rosemary Burrows
Make-Up: Trevor Crole-Rees
Hairdressing: Maud Onslow
Designer: Michael Stringer

Paul Jones (Carl [Richter])
Patrick Magee ([Doctor] Falkenberg)
Gillian Hills (Elizabeth [Zorn])
Robert Hardy ([Count] Zorn)
Michael Hordern (priest)
Yvonne Mitchell ([Aunt] Hilda)
Kenneth J. Warren (Klaus)
Virginia Wetherell (Inge)
Robert Brown (Fischinger)
Barry Stanton (Ernst)
Deirdre Costello (Magda)
Shane Briant (Emil [Zorn])
Sidonie Ward (Zorn's wife)
Thomas Heathcote (coachman)
John Atkinson (1st villager)
George Cormack (2nd villager)
Mary Hignett (matronly woman)
Sheila Raynor (old crone)
Jan Adair (1st girl)
Jane Cardew (2nd girl)
Glenda Allen [girl] * 1Today's Cinema no.9954 (5 November 1971) p.15

Alternative Titles

Besat af daemoner – Denmark
Blood Will Have Blood
Oi daimonismenoi – Greece
Dämonen der Seele – West Germany
Demonene vakner – Denmark
Demonersnas makt – Sweden
Demoni della mente – Italy
Demonios de la mente – Spain
Demonios da Mente – Brazil
Les Demons de l'esprit – Belgium
Demony wyobrazni – Poland
Nightmare of Terror
Paholaisen vallassa – Finland
De rode kamers van de geest – Belgium
Rose rosse per il demonio – Italy



  • Bedabbled! No.6 (March 2022) pp.25-29 – illustrated article (I don't want to be Zorn: for the damned, Demons of the Mind by Sarah Morgan)
  • Cinefantastique vol.5 no.1 (Spring 1976) p.29 – review
  • Cinema of the '70s no.1 (2020) pp.49-68 – illustrated article (Straight on till '79: A decade of Hammer horror by Ian Taylor)
  • CinemaTV Today no.10001 (7 October 1972) p.3 – trade show details
  • The Dark Side no.47 (July 1995) pp.181-9 – review (by Allan Bryce)
  • The Dark Side no.206 (2019) pp.42-48 – illustrated article (The Wicking man by Christopher Koetting)
  • The House That Hammer Built no.8 (April 1998) pp.429-430 – illustrated credits, synopsis, review
  • Monthly Film Bulletin vol.39 no.466 (November 1972) p.229 – credits, synopsis, review
  • Today's Cinema no.9926 (27 July 1971) p.7 – note (Films shooting in August)
  • Today's Cinema no.9932 (17 August 1971) p.4 – credits
  • Today's Cinema no.9934 (24 August 1971) pp.4-5 – article (Milking the coconut by Sue Clarke)
  • Today's Cinema no.9949 (19 October 1971) p.11 – note (Music man– about Harry Robinson's involvement with the film)
  • Today's Cinema no.9954 (5 November 1971) p.15 – illustrated note (Going cold at the sight of Glenda)


  • The Aurum Film Encyclopedia: Horror by Phil Hardy (ed.) p.231
  • English Gothic: A Century of Horror Cinema by Jonathan Rigby pp.182, 221-22, 221, 242, 245, 284, 371
  • Euro Gothic: Classics of Continental Horror Cinema by Jonathan Rigby pp.233, 373
  • Film Review 1973-74 by F. Maurice Speed (ed) p.216-217
  • Hammer Complete: The Films, the Personnel, the Company by Howard Maxford pp.194-196 – illustrated credits, synopsis, review
  • Horror and Science Fiction Films II by Donald C. Willis pp.91-92
  • Horror Films of the 1970s by John Kenneth Muir pp.188-190 – credits, synopsis, review
  • Psychedelic Celluloid: British Pop Music in Film and TV 1965-1974 by Simon Matthews pp.153-154 – illustrated article (Hammer: The Pop Years)
  • by Walt Lee p.94 – credits
  • Ten Years of Terror pp.93-94 – illustrated credits, synopsis, review (by Nigel Burrell)
  • Uneasy Dreams: The Golden Age of British Horror Films, 1956-1976 by Gary A. Smith p.73